277208540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 681609600

約数和(自身を除く): 404401060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 137, 140, 149, 194, 274, 298, 388, 485, 548, 596, 679, 685, 745, 959, 970, 1043, 1358, 1370, 1490, 1918, 1940, 2086, 2716, 2740, 2980, 3395, 3836, 4172, 4795, 5215, 6790, 9590, 10430, 13289, 13580, 14453, 19180, 20413, 20860, 26578, 28906, 40826, 53156, 57812, 66445, 72265, 81652, 93023, 101171, 102065, 132890, 142891, 144530, 186046, 202342, 204130, 265780, 285782, 289060, 372092, 404684, 408260, 465115, 505855, 571564, 714455, 930230, 1011710, 1428910, 1860460, 1980061, 2023420, 2857820, 3960122, 7920244, 9900305, 13860427, 19800610, 27720854, 39601220, 55441708, 69302135, 138604270, 277208540]

約数ペア:

[(1, 277208540), (2, 138604270), (4, 69302135), (5, 55441708), (7, 39601220), (10, 27720854), (14, 19800610), (20, 13860427), (28, 9900305), (35, 7920244), (70, 3960122), (97, 2857820), (137, 2023420), (140, 1980061), (149, 1860460), (194, 1428910), (274, 1011710), (298, 930230), (388, 714455), (485, 571564), (548, 505855), (596, 465115), (679, 408260), (685, 404684), (745, 372092), (959, 289060), (970, 285782), (1043, 265780), (1358, 204130), (1370, 202342), (1490, 186046), (1918, 144530), (1940, 142891), (2086, 132890), (2716, 102065), (2740, 101171), (2980, 93023), (3395, 81652), (3836, 72265), (4172, 66445), (4795, 57812), (5215, 53156), (6790, 40826), (9590, 28906), (10430, 26578), (13289, 20860), (13580, 20413), (14453, 19180)]