191618440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11887}}^1$

素因数の和:11942

約数の個数: 64

約数和(自身を含む): 479324160

約数和(自身を除く): 287705720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 11887, 16120, 23774, 47548, 59435, 95096, 118870, 154531, 237740, 309062, 368497, 475480, 618124, 736994, 772655, 1236248, 1473988, 1545310, 1842485, 2947976, 3090620, 3684970, 4790461, 6181240, 7369940, 9580922, 14739880, 19161844, 23952305, 38323688, 47904610, 95809220, 191618440]

約数ペア:

[(1, 191618440), (2, 95809220), (4, 47904610), (5, 38323688), (8, 23952305), (10, 19161844), (13, 14739880), (20, 9580922), (26, 7369940), (31, 6181240), (40, 4790461), (52, 3684970), (62, 3090620), (65, 2947976), (104, 1842485), (124, 1545310), (130, 1473988), (155, 1236248), (248, 772655), (260, 736994), (310, 618124), (403, 475480), (520, 368497), (620, 309062), (806, 237740), (1240, 154531), (1612, 118870), (2015, 95096), (3224, 59435), (4030, 47548), (8060, 23774), (11887, 16120)]