2017886140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{499}}^1$

素因数の和:739

約数の個数: 96

約数和(自身を含む): 4536000000

約数和(自身を除く): 2518113860

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 59, 92, 115, 118, 149, 230, 236, 295, 298, 460, 499, 590, 596, 745, 998, 1180, 1357, 1490, 1996, 2495, 2714, 2980, 3427, 4990, 5428, 6785, 6854, 8791, 9980, 11477, 13570, 13708, 17135, 17582, 22954, 27140, 29441, 34270, 35164, 43955, 45908, 57385, 58882, 68540, 74351, 87910, 114770, 117764, 147205, 148702, 175820, 202193, 229540, 294410, 297404, 371755, 404386, 588820, 677143, 743510, 808772, 1010965, 1354286, 1487020, 1710073, 2021930, 2708572, 3385715, 3420146, 4043860, 4386709, 6771430, 6840292, 8550365, 8773418, 13542860, 17100730, 17546836, 21933545, 34201460, 43867090, 87734180, 100894307, 201788614, 403577228, 504471535, 1008943070, 2017886140]

約数ペア:

[(1, 2017886140), (2, 1008943070), (4, 504471535), (5, 403577228), (10, 201788614), (20, 100894307), (23, 87734180), (46, 43867090), (59, 34201460), (92, 21933545), (115, 17546836), (118, 17100730), (149, 13542860), (230, 8773418), (236, 8550365), (295, 6840292), (298, 6771430), (460, 4386709), (499, 4043860), (590, 3420146), (596, 3385715), (745, 2708572), (998, 2021930), (1180, 1710073), (1357, 1487020), (1490, 1354286), (1996, 1010965), (2495, 808772), (2714, 743510), (2980, 677143), (3427, 588820), (4990, 404386), (5428, 371755), (6785, 297404), (6854, 294410), (8791, 229540), (9980, 202193), (11477, 175820), (13570, 148702), (13708, 147205), (17135, 117764), (17582, 114770), (22954, 87910), (27140, 74351), (29441, 68540), (34270, 58882), (35164, 57385), (43955, 45908)]