28677220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 72930816

約数和(自身を除く): 44253596

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 37, 44, 52, 55, 65, 74, 110, 130, 143, 148, 185, 220, 260, 271, 286, 370, 407, 481, 542, 572, 715, 740, 814, 962, 1084, 1355, 1430, 1628, 1924, 2035, 2405, 2710, 2860, 2981, 3523, 4070, 4810, 5291, 5420, 5962, 7046, 8140, 9620, 10027, 10582, 11924, 14092, 14905, 17615, 20054, 21164, 26455, 29810, 35230, 38753, 40108, 50135, 52910, 59620, 70460, 77506, 100270, 105820, 110297, 130351, 155012, 193765, 200540, 220594, 260702, 387530, 441188, 521404, 551485, 651755, 775060, 1102970, 1303510, 1433861, 2205940, 2607020, 2867722, 5735444, 7169305, 14338610, 28677220]

約数ペア:

[(1, 28677220), (2, 14338610), (4, 7169305), (5, 5735444), (10, 2867722), (11, 2607020), (13, 2205940), (20, 1433861), (22, 1303510), (26, 1102970), (37, 775060), (44, 651755), (52, 551485), (55, 521404), (65, 441188), (74, 387530), (110, 260702), (130, 220594), (143, 200540), (148, 193765), (185, 155012), (220, 130351), (260, 110297), (271, 105820), (286, 100270), (370, 77506), (407, 70460), (481, 59620), (542, 52910), (572, 50135), (715, 40108), (740, 38753), (814, 35230), (962, 29810), (1084, 26455), (1355, 21164), (1430, 20054), (1628, 17615), (1924, 14905), (2035, 14092), (2405, 11924), (2710, 10582), (2860, 10027), (2981, 9620), (3523, 8140), (4070, 7046), (4810, 5962), (5291, 5420)]