227948980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{1427}}^1$

素因数の和:1613

約数の個数: 72

約数和(自身を含む): 560655648

約数和(自身を除く): 332706668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 163, 196, 245, 326, 490, 652, 815, 980, 1141, 1427, 1630, 2282, 2854, 3260, 4564, 5705, 5708, 7135, 7987, 9989, 11410, 14270, 15974, 19978, 22820, 28540, 31948, 39935, 39956, 49945, 69923, 79870, 99890, 139846, 159740, 199780, 232601, 279692, 349615, 465202, 699230, 930404, 1163005, 1398460, 1628207, 2326010, 3256414, 4652020, 6512828, 8141035, 11397449, 16282070, 22794898, 32564140, 45589796, 56987245, 113974490, 227948980]

約数ペア:

[(1, 227948980), (2, 113974490), (4, 56987245), (5, 45589796), (7, 32564140), (10, 22794898), (14, 16282070), (20, 11397449), (28, 8141035), (35, 6512828), (49, 4652020), (70, 3256414), (98, 2326010), (140, 1628207), (163, 1398460), (196, 1163005), (245, 930404), (326, 699230), (490, 465202), (652, 349615), (815, 279692), (980, 232601), (1141, 199780), (1427, 159740), (1630, 139846), (2282, 99890), (2854, 79870), (3260, 69923), (4564, 49945), (5705, 39956), (5708, 39935), (7135, 31948), (7987, 28540), (9989, 22820), (11410, 19978), (14270, 15974)]