388082120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{2897}}^1$

素因数の和:3122

約数の個数: 64

約数和(自身を含む): 929562480

約数和(自身を除く): 541480360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 197, 340, 394, 680, 788, 985, 1576, 1970, 2897, 3349, 3940, 5794, 6698, 7880, 11588, 13396, 14485, 16745, 23176, 26792, 28970, 33490, 49249, 57940, 66980, 98498, 115880, 133960, 196996, 246245, 393992, 492490, 570709, 984980, 1141418, 1969960, 2282836, 2853545, 4565672, 5707090, 9702053, 11414180, 19404106, 22828360, 38808212, 48510265, 77616424, 97020530, 194041060, 388082120]

約数ペア:

[(1, 388082120), (2, 194041060), (4, 97020530), (5, 77616424), (8, 48510265), (10, 38808212), (17, 22828360), (20, 19404106), (34, 11414180), (40, 9702053), (68, 5707090), (85, 4565672), (136, 2853545), (170, 2282836), (197, 1969960), (340, 1141418), (394, 984980), (680, 570709), (788, 492490), (985, 393992), (1576, 246245), (1970, 196996), (2897, 133960), (3349, 115880), (3940, 98498), (5794, 66980), (6698, 57940), (7880, 49249), (11588, 33490), (13396, 28970), (14485, 26792), (16745, 23176)]