309442000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:115

約数の個数: 240

約数和(自身を含む): 922012416

約数和(自身を除く): 612570416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 31, 35, 40, 46, 50, 56, 62, 70, 80, 92, 100, 112, 115, 124, 125, 140, 155, 161, 175, 184, 200, 217, 230, 248, 250, 280, 310, 322, 350, 368, 400, 434, 460, 496, 500, 560, 575, 620, 644, 700, 713, 775, 805, 868, 875, 920, 961, 1000, 1085, 1150, 1240, 1288, 1400, 1426, 1550, 1610, 1736, 1750, 1840, 1922, 2000, 2170, 2300, 2480, 2576, 2800, 2852, 2875, 3100, 3220, 3472, 3500, 3565, 3844, 3875, 4025, 4340, 4600, 4805, 4991, 5425, 5704, 5750, 6200, 6440, 6727, 7000, 7130, 7688, 7750, 8050, 8680, 9200, 9610, 9982, 10850, 11408, 11500, 12400, 12880, 13454, 14000, 14260, 15376, 15500, 16100, 17360, 17825, 19220, 19964, 20125, 21700, 22103, 23000, 24025, 24955, 26908, 27125, 28520, 31000, 32200, 33635, 35650, 38440, 39928, 40250, 43400, 44206, 46000, 48050, 49910, 53816, 54250, 57040, 62000, 64400, 67270, 71300, 76880, 79856, 80500, 86800, 88412, 89125, 96100, 99820, 107632, 108500, 110515, 120125, 124775, 134540, 142600, 154721, 161000, 168175, 176824, 178250, 192200, 199640, 217000, 221030, 240250, 249550, 269080, 285200, 309442, 322000, 336350, 353648, 356500, 384400, 399280, 434000, 442060, 480500, 499100, 538160, 552575, 618884, 623875, 672700, 713000, 773605, 840875, 884120, 961000, 998200, 1105150, 1237768, 1247750, 1345400, 1426000, 1547210, 1681750, 1768240, 1922000, 1996400, 2210300, 2475536, 2495500, 2690800, 2762875, 3094420, 3363500, 3868025, 4420600, 4991000, 5525750, 6188840, 6727000, 7736050, 8841200, 9982000, 11051500, 12377680, 13454000, 15472100, 19340125, 22103000, 30944200, 38680250, 44206000, 61888400, 77360500, 154721000, 309442000]

約数ペア:

[(1, 309442000), (2, 154721000), (4, 77360500), (5, 61888400), (7, 44206000), (8, 38680250), (10, 30944200), (14, 22103000), (16, 19340125), (20, 15472100), (23, 13454000), (25, 12377680), (28, 11051500), (31, 9982000), (35, 8841200), (40, 7736050), (46, 6727000), (50, 6188840), (56, 5525750), (62, 4991000), (70, 4420600), (80, 3868025), (92, 3363500), (100, 3094420), (112, 2762875), (115, 2690800), (124, 2495500), (125, 2475536), (140, 2210300), (155, 1996400), (161, 1922000), (175, 1768240), (184, 1681750), (200, 1547210), (217, 1426000), (230, 1345400), (248, 1247750), (250, 1237768), (280, 1105150), (310, 998200), (322, 961000), (350, 884120), (368, 840875), (400, 773605), (434, 713000), (460, 672700), (496, 623875), (500, 618884), (560, 552575), (575, 538160), (620, 499100), (644, 480500), (700, 442060), (713, 434000), (775, 399280), (805, 384400), (868, 356500), (875, 353648), (920, 336350), (961, 322000), (1000, 309442), (1085, 285200), (1150, 269080), (1240, 249550), (1288, 240250), (1400, 221030), (1426, 217000), (1550, 199640), (1610, 192200), (1736, 178250), (1750, 176824), (1840, 168175), (1922, 161000), (2000, 154721), (2170, 142600), (2300, 134540), (2480, 124775), (2576, 120125), (2800, 110515), (2852, 108500), (2875, 107632), (3100, 99820), (3220, 96100), (3472, 89125), (3500, 88412), (3565, 86800), (3844, 80500), (3875, 79856), (4025, 76880), (4340, 71300), (4600, 67270), (4805, 64400), (4991, 62000), (5425, 57040), (5704, 54250), (5750, 53816), (6200, 49910), (6440, 48050), (6727, 46000), (7000, 44206), (7130, 43400), (7688, 40250), (7750, 39928), (8050, 38440), (8680, 35650), (9200, 33635), (9610, 32200), (9982, 31000), (10850, 28520), (11408, 27125), (11500, 26908), (12400, 24955), (12880, 24025), (13454, 23000), (14000, 22103), (14260, 21700), (15376, 20125), (15500, 19964), (16100, 19220), (17360, 17825)]