222321820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{3719}}^1$

素因数の和:3803

約数の個数: 72

約数和(自身を含む): 552152160

約数和(自身を除く): 329830340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 427, 490, 610, 854, 980, 1220, 1708, 2135, 2989, 3719, 4270, 5978, 7438, 8540, 11956, 14876, 14945, 18595, 26033, 29890, 37190, 52066, 59780, 74380, 104132, 130165, 182231, 226859, 260330, 364462, 453718, 520660, 728924, 907436, 911155, 1134295, 1588013, 1822310, 2268590, 3176026, 3644620, 4537180, 6352052, 7940065, 11116091, 15880130, 22232182, 31760260, 44464364, 55580455, 111160910, 222321820]

約数ペア:

[(1, 222321820), (2, 111160910), (4, 55580455), (5, 44464364), (7, 31760260), (10, 22232182), (14, 15880130), (20, 11116091), (28, 7940065), (35, 6352052), (49, 4537180), (61, 3644620), (70, 3176026), (98, 2268590), (122, 1822310), (140, 1588013), (196, 1134295), (244, 911155), (245, 907436), (305, 728924), (427, 520660), (490, 453718), (610, 364462), (854, 260330), (980, 226859), (1220, 182231), (1708, 130165), (2135, 104132), (2989, 74380), (3719, 59780), (4270, 52066), (5978, 37190), (7438, 29890), (8540, 26033), (11956, 18595), (14876, 14945)]