394764580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{5099}}^1$

素因数の和:5201

約数の個数: 72

約数和(自身を含む): 976752000

約数和(自身を除く): 581987420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 395, 490, 553, 790, 980, 1106, 1580, 2212, 2765, 3871, 5099, 5530, 7742, 10198, 11060, 15484, 19355, 20396, 25495, 35693, 38710, 50990, 71386, 77420, 101980, 142772, 178465, 249851, 356930, 402821, 499702, 713860, 805642, 999404, 1249255, 1611284, 2014105, 2498510, 2819747, 4028210, 4997020, 5639494, 8056420, 11278988, 14098735, 19738229, 28197470, 39476458, 56394940, 78952916, 98691145, 197382290, 394764580]

約数ペア:

[(1, 394764580), (2, 197382290), (4, 98691145), (5, 78952916), (7, 56394940), (10, 39476458), (14, 28197470), (20, 19738229), (28, 14098735), (35, 11278988), (49, 8056420), (70, 5639494), (79, 4997020), (98, 4028210), (140, 2819747), (158, 2498510), (196, 2014105), (245, 1611284), (316, 1249255), (395, 999404), (490, 805642), (553, 713860), (790, 499702), (980, 402821), (1106, 356930), (1580, 249851), (2212, 178465), (2765, 142772), (3871, 101980), (5099, 77420), (5530, 71386), (7742, 50990), (10198, 38710), (11060, 35693), (15484, 25495), (19355, 20396)]