201844240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{461}}^1$

素因数の和:908

約数の個数: 80

約数和(自身を含む): 507686256

約数和(自身を除く): 305842016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 421, 461, 520, 842, 922, 1040, 1684, 1844, 2105, 2305, 3368, 3688, 4210, 4610, 5473, 5993, 6736, 7376, 8420, 9220, 10946, 11986, 16840, 18440, 21892, 23972, 27365, 29965, 33680, 36880, 43784, 47944, 54730, 59930, 87568, 95888, 109460, 119860, 194081, 218920, 239720, 388162, 437840, 479440, 776324, 970405, 1552648, 1940810, 2523053, 3105296, 3881620, 5046106, 7763240, 10092212, 12615265, 15526480, 20184424, 25230530, 40368848, 50461060, 100922120, 201844240]

約数ペア:

[(1, 201844240), (2, 100922120), (4, 50461060), (5, 40368848), (8, 25230530), (10, 20184424), (13, 15526480), (16, 12615265), (20, 10092212), (26, 7763240), (40, 5046106), (52, 3881620), (65, 3105296), (80, 2523053), (104, 1940810), (130, 1552648), (208, 970405), (260, 776324), (421, 479440), (461, 437840), (520, 388162), (842, 239720), (922, 218920), (1040, 194081), (1684, 119860), (1844, 109460), (2105, 95888), (2305, 87568), (3368, 59930), (3688, 54730), (4210, 47944), (4610, 43784), (5473, 36880), (5993, 33680), (6736, 29965), (7376, 27365), (8420, 23972), (9220, 21892), (10946, 18440), (11986, 16840)]