487245220

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{587}}^1$

素因数の和:639

約数の個数: 144

約数和(自身を含む): 1313827200

約数和(自身を除く): 826581980

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 121, 140, 154, 196, 220, 242, 245, 308, 343, 385, 484, 490, 539, 587, 605, 686, 770, 847, 980, 1078, 1174, 1210, 1372, 1540, 1694, 1715, 2156, 2348, 2420, 2695, 2935, 3388, 3430, 3773, 4109, 4235, 5390, 5870, 5929, 6457, 6860, 7546, 8218, 8470, 10780, 11740, 11858, 12914, 15092, 16436, 16940, 18865, 20545, 23716, 25828, 28763, 29645, 32285, 37730, 41090, 41503, 45199, 57526, 59290, 64570, 71027, 75460, 82180, 83006, 90398, 115052, 118580, 129140, 142054, 143815, 166012, 180796, 201341, 207515, 225995, 284108, 287630, 316393, 355135, 402682, 415030, 451990, 497189, 575260, 632786, 710270, 805364, 830060, 903980, 994378, 1006705, 1265572, 1420540, 1581965, 1988756, 2013410, 2214751, 2485945, 3163930, 3480323, 4026820, 4429502, 4971890, 6327860, 6960646, 8859004, 9943780, 11073755, 13921292, 17401615, 22147510, 24362261, 34803230, 44295020, 48724522, 69606460, 97449044, 121811305, 243622610, 487245220]

約数ペア:

[(1, 487245220), (2, 243622610), (4, 121811305), (5, 97449044), (7, 69606460), (10, 48724522), (11, 44295020), (14, 34803230), (20, 24362261), (22, 22147510), (28, 17401615), (35, 13921292), (44, 11073755), (49, 9943780), (55, 8859004), (70, 6960646), (77, 6327860), (98, 4971890), (110, 4429502), (121, 4026820), (140, 3480323), (154, 3163930), (196, 2485945), (220, 2214751), (242, 2013410), (245, 1988756), (308, 1581965), (343, 1420540), (385, 1265572), (484, 1006705), (490, 994378), (539, 903980), (587, 830060), (605, 805364), (686, 710270), (770, 632786), (847, 575260), (980, 497189), (1078, 451990), (1174, 415030), (1210, 402682), (1372, 355135), (1540, 316393), (1694, 287630), (1715, 284108), (2156, 225995), (2348, 207515), (2420, 201341), (2695, 180796), (2935, 166012), (3388, 143815), (3430, 142054), (3773, 129140), (4109, 118580), (4235, 115052), (5390, 90398), (5870, 83006), (5929, 82180), (6457, 75460), (6860, 71027), (7546, 64570), (8218, 59290), (8470, 57526), (10780, 45199), (11740, 41503), (11858, 41090), (12914, 37730), (15092, 32285), (16436, 29645), (16940, 28763), (18865, 25828), (20545, 23716)]