947358520

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1\times {\mathrm{733}}^1$

素因数の和:1232

約数の個数: 64

約数和(自身を含む): 2166768000

約数和(自身を除く): 1219409480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 409, 632, 733, 790, 818, 1466, 1580, 1636, 2045, 2932, 3160, 3272, 3665, 4090, 5864, 7330, 8180, 14660, 16360, 29320, 32311, 57907, 64622, 115814, 129244, 161555, 231628, 258488, 289535, 299797, 323110, 463256, 579070, 599594, 646220, 1158140, 1199188, 1292440, 1498985, 2316280, 2398376, 2997970, 5995940, 11991880, 23683963, 47367926, 94735852, 118419815, 189471704, 236839630, 473679260, 947358520]

約数ペア:

[(1, 947358520), (2, 473679260), (4, 236839630), (5, 189471704), (8, 118419815), (10, 94735852), (20, 47367926), (40, 23683963), (79, 11991880), (158, 5995940), (316, 2997970), (395, 2398376), (409, 2316280), (632, 1498985), (733, 1292440), (790, 1199188), (818, 1158140), (1466, 646220), (1580, 599594), (1636, 579070), (2045, 463256), (2932, 323110), (3160, 299797), (3272, 289535), (3665, 258488), (4090, 231628), (5864, 161555), (7330, 129244), (8180, 115814), (14660, 64622), (16360, 57907), (29320, 32311)]