313454620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{6841}}^1$

素因数の和:6958

約数の個数: 48

約数和(自身を含む): 689673600

約数和(自身を除く): 376218980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 580, 790, 1580, 2291, 4582, 6841, 9164, 11455, 13682, 22910, 27364, 34205, 45820, 68410, 136820, 198389, 396778, 540439, 793556, 991945, 1080878, 1983890, 2161756, 2702195, 3967780, 5404390, 10808780, 15672731, 31345462, 62690924, 78363655, 156727310, 313454620]

約数ペア:

[(1, 313454620), (2, 156727310), (4, 78363655), (5, 62690924), (10, 31345462), (20, 15672731), (29, 10808780), (58, 5404390), (79, 3967780), (116, 2702195), (145, 2161756), (158, 1983890), (290, 1080878), (316, 991945), (395, 793556), (580, 540439), (790, 396778), (1580, 198389), (2291, 136820), (4582, 68410), (6841, 45820), (9164, 34205), (11455, 27364), (13682, 22910)]