311293840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27211}}^1$

素因数の和:27248

約数の個数: 80

約数和(自身を含む): 850320576

約数和(自身を除く): 539026736

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 11440, 27211, 54422, 108844, 136055, 217688, 272110, 299321, 353743, 435376, 544220, 598642, 707486, 1088440, 1197284, 1414972, 1496605, 1768715, 2176880, 2394568, 2829944, 2993210, 3537430, 3891173, 4789136, 5659888, 5986420, 7074860, 7782346, 11972840, 14149720, 15564692, 19455865, 23945680, 28299440, 31129384, 38911730, 62258768, 77823460, 155646920, 311293840]

約数ペア:

[(1, 311293840), (2, 155646920), (4, 77823460), (5, 62258768), (8, 38911730), (10, 31129384), (11, 28299440), (13, 23945680), (16, 19455865), (20, 15564692), (22, 14149720), (26, 11972840), (40, 7782346), (44, 7074860), (52, 5986420), (55, 5659888), (65, 4789136), (80, 3891173), (88, 3537430), (104, 2993210), (110, 2829944), (130, 2394568), (143, 2176880), (176, 1768715), (208, 1496605), (220, 1414972), (260, 1197284), (286, 1088440), (440, 707486), (520, 598642), (572, 544220), (715, 435376), (880, 353743), (1040, 299321), (1144, 272110), (1430, 217688), (2288, 136055), (2860, 108844), (5720, 54422), (11440, 27211)]