208492060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2693}}^1$

素因数の和:2795

約数の個数: 72

約数和(自身を含む): 515954880

約数和(自身を除く): 307462820

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, 2693, 2765, 3871, 5386, 5530, 7742, 10772, 11060, 13465, 15484, 18851, 19355, 26930, 37702, 38710, 53860, 75404, 77420, 94255, 131957, 188510, 212747, 263914, 377020, 425494, 527828, 659785, 850988, 1063735, 1319570, 1489229, 2127470, 2639140, 2978458, 4254940, 5956916, 7446145, 10424603, 14892290, 20849206, 29784580, 41698412, 52123015, 104246030, 208492060]

約数ペア:

[(1, 208492060), (2, 104246030), (4, 52123015), (5, 41698412), (7, 29784580), (10, 20849206), (14, 14892290), (20, 10424603), (28, 7446145), (35, 5956916), (49, 4254940), (70, 2978458), (79, 2639140), (98, 2127470), (140, 1489229), (158, 1319570), (196, 1063735), (245, 850988), (316, 659785), (395, 527828), (490, 425494), (553, 377020), (790, 263914), (980, 212747), (1106, 188510), (1580, 131957), (2212, 94255), (2693, 77420), (2765, 75404), (3871, 53860), (5386, 38710), (5530, 37702), (7742, 26930), (10772, 19355), (11060, 18851), (13465, 15484)]