217722430

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 422547840

約数和(自身を除く): 204825410

約数列:

[1, 2, 5, 10, 29, 37, 58, 74, 103, 145, 185, 197, 206, 290, 370, 394, 515, 985, 1030, 1073, 1970, 2146, 2987, 3811, 5365, 5713, 5974, 7289, 7622, 10730, 11426, 14578, 14935, 19055, 20291, 28565, 29870, 36445, 38110, 40582, 57130, 72890, 101455, 110519, 202910, 211381, 221038, 422762, 552595, 588439, 750767, 1056905, 1105190, 1176878, 1501534, 2113810, 2942195, 3753835, 5884390, 7507670, 21772243, 43544486, 108861215, 217722430]

約数ペア:

[(1, 217722430), (2, 108861215), (5, 43544486), (10, 21772243), (29, 7507670), (37, 5884390), (58, 3753835), (74, 2942195), (103, 2113810), (145, 1501534), (185, 1176878), (197, 1105190), (206, 1056905), (290, 750767), (370, 588439), (394, 552595), (515, 422762), (985, 221038), (1030, 211381), (1073, 202910), (1970, 110519), (2146, 101455), (2987, 72890), (3811, 57130), (5365, 40582), (5713, 38110), (5974, 36445), (7289, 29870), (7622, 28565), (10730, 20291), (11426, 19055), (14578, 14935)]