721974740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{14923}}^1$

素因数の和:15032

約数の個数: 48

約数和(自身を含む): 1579556160

約数和(自身を除く): 857581420

約数列:

[1, 2, 4, 5, 10, 20, 41, 59, 82, 118, 164, 205, 236, 295, 410, 590, 820, 1180, 2419, 4838, 9676, 12095, 14923, 24190, 29846, 48380, 59692, 74615, 149230, 298460, 611843, 880457, 1223686, 1760914, 2447372, 3059215, 3521828, 4402285, 6118430, 8804570, 12236860, 17609140, 36098737, 72197474, 144394948, 180493685, 360987370, 721974740]

約数ペア:

[(1, 721974740), (2, 360987370), (4, 180493685), (5, 144394948), (10, 72197474), (20, 36098737), (41, 17609140), (59, 12236860), (82, 8804570), (118, 6118430), (164, 4402285), (205, 3521828), (236, 3059215), (295, 2447372), (410, 1760914), (590, 1223686), (820, 880457), (1180, 611843), (2419, 298460), (4838, 149230), (9676, 74615), (12095, 59692), (14923, 48380), (24190, 29846)]