221172280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{112843}}^1$

素因数の和:112868

約数の個数: 48

約数和(自身を含む): 578889720

約数和(自身を除く): 357717440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 112843, 225686, 451372, 564215, 789901, 902744, 1128430, 1579802, 2256860, 3159604, 3949505, 4513720, 5529307, 6319208, 7899010, 11058614, 15798020, 22117228, 27646535, 31596040, 44234456, 55293070, 110586140, 221172280]

約数ペア:

[(1, 221172280), (2, 110586140), (4, 55293070), (5, 44234456), (7, 31596040), (8, 27646535), (10, 22117228), (14, 15798020), (20, 11058614), (28, 7899010), (35, 6319208), (40, 5529307), (49, 4513720), (56, 3949505), (70, 3159604), (98, 2256860), (140, 1579802), (196, 1128430), (245, 902744), (280, 789901), (392, 564215), (490, 451372), (980, 225686), (1960, 112843)]