55429780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:533

約数の個数: 72

約数和(自身を含む): 136630368

約数和(自身を除く): 81200588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 163, 196, 245, 326, 347, 490, 652, 694, 815, 980, 1141, 1388, 1630, 1735, 2282, 2429, 3260, 3470, 4564, 4858, 5705, 6940, 7987, 9716, 11410, 12145, 15974, 17003, 22820, 24290, 31948, 34006, 39935, 48580, 56561, 68012, 79870, 85015, 113122, 159740, 170030, 226244, 282805, 340060, 395927, 565610, 791854, 1131220, 1583708, 1979635, 2771489, 3959270, 5542978, 7918540, 11085956, 13857445, 27714890, 55429780]

約数ペア:

[(1, 55429780), (2, 27714890), (4, 13857445), (5, 11085956), (7, 7918540), (10, 5542978), (14, 3959270), (20, 2771489), (28, 1979635), (35, 1583708), (49, 1131220), (70, 791854), (98, 565610), (140, 395927), (163, 340060), (196, 282805), (245, 226244), (326, 170030), (347, 159740), (490, 113122), (652, 85015), (694, 79870), (815, 68012), (980, 56561), (1141, 48580), (1388, 39935), (1630, 34006), (1735, 31948), (2282, 24290), (2429, 22820), (3260, 17003), (3470, 15974), (4564, 12145), (4858, 11410), (5705, 9716), (6940, 7987)]