2008021180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{149629}}^1$

素因数の和:149710

約数の個数: 48

約数和(自身を含む): 4675638240

約数和(自身を除く): 2667617060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710, 13420, 149629, 299258, 598516, 748145, 1496290, 1645919, 2992580, 3291838, 6583676, 8229595, 9127369, 16459190, 18254738, 32918380, 36509476, 45636845, 91273690, 100401059, 182547380, 200802118, 401604236, 502005295, 1004010590, 2008021180]

約数ペア:

[(1, 2008021180), (2, 1004010590), (4, 502005295), (5, 401604236), (10, 200802118), (11, 182547380), (20, 100401059), (22, 91273690), (44, 45636845), (55, 36509476), (61, 32918380), (110, 18254738), (122, 16459190), (220, 9127369), (244, 8229595), (305, 6583676), (610, 3291838), (671, 2992580), (1220, 1645919), (1342, 1496290), (2684, 748145), (3355, 598516), (6710, 299258), (13420, 149629)]