2018902570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{2797}}^1$

素因数の和:2983

約数の個数: 64

約数和(自身を含む): 3988828800

約数和(自身を除く): 1969926230

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 131, 145, 190, 262, 290, 551, 655, 1102, 1310, 2489, 2755, 2797, 3799, 4978, 5510, 5594, 7598, 12445, 13985, 18995, 24890, 27970, 37990, 53143, 72181, 81113, 106286, 144362, 162226, 265715, 360905, 366407, 405565, 531430, 721810, 732814, 811130, 1541147, 1832035, 3082294, 3664070, 6961733, 7705735, 10625803, 13923466, 15411470, 21251606, 34808665, 53129015, 69617330, 106258030, 201890257, 403780514, 1009451285, 2018902570]

約数ペア:

[(1, 2018902570), (2, 1009451285), (5, 403780514), (10, 201890257), (19, 106258030), (29, 69617330), (38, 53129015), (58, 34808665), (95, 21251606), (131, 15411470), (145, 13923466), (190, 10625803), (262, 7705735), (290, 6961733), (551, 3664070), (655, 3082294), (1102, 1832035), (1310, 1541147), (2489, 811130), (2755, 732814), (2797, 721810), (3799, 531430), (4978, 405565), (5510, 366407), (5594, 360905), (7598, 265715), (12445, 162226), (13985, 144362), (18995, 106286), (24890, 81113), (27970, 72181), (37990, 53143)]