129248680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1871}}^1$

素因数の和:2050

約数の個数: 64

約数和(自身を含む): 319438080

約数和(自身を除く): 190189400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 220, 314, 440, 628, 785, 1256, 1570, 1727, 1871, 3140, 3454, 3742, 6280, 6908, 7484, 8635, 9355, 13816, 14968, 17270, 18710, 20581, 34540, 37420, 41162, 69080, 74840, 82324, 102905, 164648, 205810, 293747, 411620, 587494, 823240, 1174988, 1468735, 2349976, 2937470, 3231217, 5874940, 6462434, 11749880, 12924868, 16156085, 25849736, 32312170, 64624340, 129248680]

約数ペア:

[(1, 129248680), (2, 64624340), (4, 32312170), (5, 25849736), (8, 16156085), (10, 12924868), (11, 11749880), (20, 6462434), (22, 5874940), (40, 3231217), (44, 2937470), (55, 2349976), (88, 1468735), (110, 1174988), (157, 823240), (220, 587494), (314, 411620), (440, 293747), (628, 205810), (785, 164648), (1256, 102905), (1570, 82324), (1727, 74840), (1871, 69080), (3140, 41162), (3454, 37420), (3742, 34540), (6280, 20581), (6908, 18710), (7484, 17270), (8635, 14968), (9355, 13816)]