2000503018

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 3257210880

約数和(自身を除く): 1256707862

約数列:

[1, 2, 43, 47, 67, 83, 86, 89, 94, 134, 166, 178, 2021, 2881, 3149, 3569, 3827, 3901, 4042, 4183, 5561, 5762, 5963, 6298, 7138, 7387, 7654, 7802, 8366, 11122, 11926, 14774, 135407, 167743, 179869, 239123, 256409, 261367, 270814, 280261, 317641, 335486, 347189, 359738, 478246, 494929, 512818, 522734, 560522, 635282, 694378, 989858, 11238781, 12051223, 14929127, 21281947, 22477562, 23261663, 24102446, 29858254, 42563894, 46523326, 1000251509, 2000503018]

約数ペア:

[(1, 2000503018), (2, 1000251509), (43, 46523326), (47, 42563894), (67, 29858254), (83, 24102446), (86, 23261663), (89, 22477562), (94, 21281947), (134, 14929127), (166, 12051223), (178, 11238781), (2021, 989858), (2881, 694378), (3149, 635282), (3569, 560522), (3827, 522734), (3901, 512818), (4042, 494929), (4183, 478246), (5561, 359738), (5762, 347189), (5963, 335486), (6298, 317641), (7138, 280261), (7387, 270814), (7654, 261367), (7802, 256409), (8366, 239123), (11122, 179869), (11926, 167743), (14774, 135407)]