520173940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{761}}^1$

素因数の和:1033

約数の個数: 96

約数和(自身を含む): 1290401280

約数和(自身を除く): 770227340

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 239, 260, 286, 478, 572, 715, 761, 956, 1195, 1430, 1522, 2390, 2629, 2860, 3044, 3107, 3805, 4780, 5258, 6214, 7610, 8371, 9893, 10516, 12428, 13145, 15220, 15535, 16742, 19786, 26290, 31070, 33484, 34177, 39572, 41855, 49465, 52580, 62140, 68354, 83710, 98930, 108823, 136708, 167420, 170885, 181879, 197860, 217646, 341770, 363758, 435292, 544115, 683540, 727516, 909395, 1088230, 1818790, 2000669, 2176460, 2364427, 3637580, 4001338, 4728854, 8002676, 9457708, 10003345, 11822135, 20006690, 23644270, 26008697, 40013380, 47288540, 52017394, 104034788, 130043485, 260086970, 520173940]

約数ペア:

[(1, 520173940), (2, 260086970), (4, 130043485), (5, 104034788), (10, 52017394), (11, 47288540), (13, 40013380), (20, 26008697), (22, 23644270), (26, 20006690), (44, 11822135), (52, 10003345), (55, 9457708), (65, 8002676), (110, 4728854), (130, 4001338), (143, 3637580), (220, 2364427), (239, 2176460), (260, 2000669), (286, 1818790), (478, 1088230), (572, 909395), (715, 727516), (761, 683540), (956, 544115), (1195, 435292), (1430, 363758), (1522, 341770), (2390, 217646), (2629, 197860), (2860, 181879), (3044, 170885), (3107, 167420), (3805, 136708), (4780, 108823), (5258, 98930), (6214, 83710), (7610, 68354), (8371, 62140), (9893, 52580), (10516, 49465), (12428, 41855), (13145, 39572), (15220, 34177), (15535, 33484), (16742, 31070), (19786, 26290)]