20730146500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:615

約数の個数: 192

約数和(自身を含む): 52667596800

約数和(自身を除く): 31937450300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 127, 140, 149, 175, 250, 254, 298, 313, 350, 500, 508, 596, 626, 635, 700, 745, 875, 889, 1043, 1252, 1270, 1490, 1565, 1750, 1778, 2086, 2191, 2540, 2980, 3130, 3175, 3500, 3556, 3725, 4172, 4382, 4445, 5215, 6260, 6350, 7450, 7825, 8764, 8890, 10430, 10955, 12700, 14900, 15650, 15875, 17780, 18625, 18923, 20860, 21910, 22225, 26075, 31300, 31750, 37250, 37846, 39125, 39751, 43820, 44450, 46637, 52150, 54775, 63500, 74500, 75692, 78250, 79502, 88900, 93274, 94615, 104300, 109550, 111125, 130375, 132461, 156500, 159004, 186548, 189230, 198755, 219100, 222250, 233185, 260750, 264922, 273875, 278257, 326459, 378460, 397510, 444500, 466370, 473075, 521500, 529844, 547750, 556514, 652918, 662305, 795020, 932740, 946150, 993775, 1095500, 1113028, 1165925, 1305836, 1324610, 1391285, 1632295, 1892300, 1987550, 2331850, 2365375, 2649220, 2782570, 3264590, 3311525, 3975100, 4663700, 4730750, 4968875, 5565140, 5829625, 5922899, 6529180, 6623050, 6956425, 8161475, 9461500, 9937750, 11659250, 11845798, 13246100, 13912850, 16322950, 16557625, 19875500, 23318500, 23691596, 27825700, 29614495, 32645900, 33115250, 34782125, 40807375, 41460293, 59228990, 66230500, 69564250, 81614750, 82920586, 118457980, 139128500, 148072475, 163229500, 165841172, 207301465, 296144950, 414602930, 592289900, 740362375, 829205860, 1036507325, 1480724750, 2073014650, 2961449500, 4146029300, 5182536625, 10365073250, 20730146500]

約数ペア:

[(1, 20730146500), (2, 10365073250), (4, 5182536625), (5, 4146029300), (7, 2961449500), (10, 2073014650), (14, 1480724750), (20, 1036507325), (25, 829205860), (28, 740362375), (35, 592289900), (50, 414602930), (70, 296144950), (100, 207301465), (125, 165841172), (127, 163229500), (140, 148072475), (149, 139128500), (175, 118457980), (250, 82920586), (254, 81614750), (298, 69564250), (313, 66230500), (350, 59228990), (500, 41460293), (508, 40807375), (596, 34782125), (626, 33115250), (635, 32645900), (700, 29614495), (745, 27825700), (875, 23691596), (889, 23318500), (1043, 19875500), (1252, 16557625), (1270, 16322950), (1490, 13912850), (1565, 13246100), (1750, 11845798), (1778, 11659250), (2086, 9937750), (2191, 9461500), (2540, 8161475), (2980, 6956425), (3130, 6623050), (3175, 6529180), (3500, 5922899), (3556, 5829625), (3725, 5565140), (4172, 4968875), (4382, 4730750), (4445, 4663700), (5215, 3975100), (6260, 3311525), (6350, 3264590), (7450, 2782570), (7825, 2649220), (8764, 2365375), (8890, 2331850), (10430, 1987550), (10955, 1892300), (12700, 1632295), (14900, 1391285), (15650, 1324610), (15875, 1305836), (17780, 1165925), (18625, 1113028), (18923, 1095500), (20860, 993775), (21910, 946150), (22225, 932740), (26075, 795020), (31300, 662305), (31750, 652918), (37250, 556514), (37846, 547750), (39125, 529844), (39751, 521500), (43820, 473075), (44450, 466370), (46637, 444500), (52150, 397510), (54775, 378460), (63500, 326459), (74500, 278257), (75692, 273875), (78250, 264922), (79502, 260750), (88900, 233185), (93274, 222250), (94615, 219100), (104300, 198755), (109550, 189230), (111125, 186548), (130375, 159004), (132461, 156500)]