8283940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 20684160

約数和(自身を除く): 12400220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 107, 140, 158, 196, 214, 245, 316, 395, 428, 490, 535, 553, 749, 790, 980, 1070, 1106, 1498, 1580, 2140, 2212, 2765, 2996, 3745, 3871, 5243, 5530, 7490, 7742, 8453, 10486, 11060, 14980, 15484, 16906, 19355, 20972, 26215, 33812, 38710, 42265, 52430, 59171, 77420, 84530, 104860, 118342, 169060, 236684, 295855, 414197, 591710, 828394, 1183420, 1656788, 2070985, 4141970, 8283940]

約数ペア:

[(1, 8283940), (2, 4141970), (4, 2070985), (5, 1656788), (7, 1183420), (10, 828394), (14, 591710), (20, 414197), (28, 295855), (35, 236684), (49, 169060), (70, 118342), (79, 104860), (98, 84530), (107, 77420), (140, 59171), (158, 52430), (196, 42265), (214, 38710), (245, 33812), (316, 26215), (395, 20972), (428, 19355), (490, 16906), (535, 15484), (553, 14980), (749, 11060), (790, 10486), (980, 8453), (1070, 7742), (1106, 7490), (1498, 5530), (1580, 5243), (2140, 3871), (2212, 3745), (2765, 2996)]