200814940

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{457}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 428424192

約数和(自身を除く): 227609252

約数列:

[1, 2, 4, 5, 10, 20, 127, 173, 254, 346, 457, 508, 635, 692, 865, 914, 1270, 1730, 1828, 2285, 2540, 3460, 4570, 9140, 21971, 43942, 58039, 79061, 87884, 109855, 116078, 158122, 219710, 232156, 290195, 316244, 395305, 439420, 580390, 790610, 1160780, 1581220, 10040747, 20081494, 40162988, 50203735, 100407470, 200814940]

約数ペア:

[(1, 200814940), (2, 100407470), (4, 50203735), (5, 40162988), (10, 20081494), (20, 10040747), (127, 1581220), (173, 1160780), (254, 790610), (346, 580390), (457, 439420), (508, 395305), (635, 316244), (692, 290195), (865, 232156), (914, 219710), (1270, 158122), (1730, 116078), (1828, 109855), (2285, 87884), (2540, 79061), (3460, 58039), (4570, 43942), (9140, 21971)]