20138400700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:453

約数の個数: 216

約数和(自身を含む): 50297030784

約数和(自身を除く): 30158630084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 37, 43, 44, 50, 55, 74, 86, 100, 110, 148, 172, 185, 215, 220, 275, 311, 370, 407, 430, 473, 550, 622, 740, 814, 860, 925, 946, 1075, 1100, 1244, 1369, 1555, 1591, 1628, 1850, 1892, 2035, 2150, 2365, 2738, 3110, 3182, 3421, 3700, 4070, 4300, 4730, 5476, 6220, 6364, 6842, 6845, 7775, 7955, 8140, 9460, 10175, 11507, 11825, 13373, 13684, 13690, 15059, 15550, 15910, 17105, 17501, 20350, 23014, 23650, 26746, 27380, 30118, 31100, 31820, 34210, 34225, 35002, 39775, 40700, 46028, 47300, 53492, 57535, 58867, 60236, 66865, 68420, 68450, 70004, 75295, 79550, 85525, 87505, 115070, 117734, 126577, 133730, 136900, 147103, 150590, 159100, 171050, 175010, 230140, 235468, 253154, 267460, 287675, 294206, 294335, 301180, 334325, 342100, 350020, 376475, 425759, 437525, 494801, 506308, 575350, 588412, 588670, 632885, 647537, 668650, 735515, 752950, 851518, 875050, 989602, 1150700, 1177340, 1265770, 1295074, 1337300, 1471030, 1471675, 1505900, 1703036, 1750100, 1979204, 2128795, 2474005, 2531540, 2590148, 2942060, 2943350, 3164425, 3237685, 3677575, 4257590, 4683349, 4948010, 5442811, 5886700, 6328850, 6475370, 7355150, 8515180, 9366698, 9896020, 10643975, 10885622, 12370025, 12657700, 12950740, 14710300, 16188425, 18307637, 18733396, 21287950, 21771244, 23416745, 24740050, 27214055, 32376850, 36615274, 42575900, 46833490, 49480100, 54428110, 64753700, 73230548, 91538185, 93666980, 108856220, 117083725, 136070275, 183076370, 201384007, 234167450, 272140550, 366152740, 402768014, 457690925, 468334900, 544281100, 805536028, 915381850, 1006920035, 1830763700, 2013840070, 4027680140, 5034600175, 10069200350, 20138400700]

約数ペア:

[(1, 20138400700), (2, 10069200350), (4, 5034600175), (5, 4027680140), (10, 2013840070), (11, 1830763700), (20, 1006920035), (22, 915381850), (25, 805536028), (37, 544281100), (43, 468334900), (44, 457690925), (50, 402768014), (55, 366152740), (74, 272140550), (86, 234167450), (100, 201384007), (110, 183076370), (148, 136070275), (172, 117083725), (185, 108856220), (215, 93666980), (220, 91538185), (275, 73230548), (311, 64753700), (370, 54428110), (407, 49480100), (430, 46833490), (473, 42575900), (550, 36615274), (622, 32376850), (740, 27214055), (814, 24740050), (860, 23416745), (925, 21771244), (946, 21287950), (1075, 18733396), (1100, 18307637), (1244, 16188425), (1369, 14710300), (1555, 12950740), (1591, 12657700), (1628, 12370025), (1850, 10885622), (1892, 10643975), (2035, 9896020), (2150, 9366698), (2365, 8515180), (2738, 7355150), (3110, 6475370), (3182, 6328850), (3421, 5886700), (3700, 5442811), (4070, 4948010), (4300, 4683349), (4730, 4257590), (5476, 3677575), (6220, 3237685), (6364, 3164425), (6842, 2943350), (6845, 2942060), (7775, 2590148), (7955, 2531540), (8140, 2474005), (9460, 2128795), (10175, 1979204), (11507, 1750100), (11825, 1703036), (13373, 1505900), (13684, 1471675), (13690, 1471030), (15059, 1337300), (15550, 1295074), (15910, 1265770), (17105, 1177340), (17501, 1150700), (20350, 989602), (23014, 875050), (23650, 851518), (26746, 752950), (27380, 735515), (30118, 668650), (31100, 647537), (31820, 632885), (34210, 588670), (34225, 588412), (35002, 575350), (39775, 506308), (40700, 494801), (46028, 437525), (47300, 425759), (53492, 376475), (57535, 350020), (58867, 342100), (60236, 334325), (66865, 301180), (68420, 294335), (68450, 294206), (70004, 287675), (75295, 267460), (79550, 253154), (85525, 235468), (87505, 230140), (115070, 175010), (117734, 171050), (126577, 159100), (133730, 150590), (136900, 147103)]