49937140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 121927680

約数和(自身を除く): 71990540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 71, 92, 110, 115, 139, 142, 220, 230, 253, 278, 284, 355, 460, 506, 556, 695, 710, 781, 1012, 1265, 1390, 1420, 1529, 1562, 1633, 2530, 2780, 3058, 3124, 3197, 3266, 3905, 5060, 6116, 6394, 6532, 7645, 7810, 8165, 9869, 12788, 15290, 15620, 15985, 16330, 17963, 19738, 30580, 31970, 32660, 35167, 35926, 39476, 49345, 63940, 70334, 71852, 89815, 98690, 108559, 140668, 175835, 179630, 197380, 217118, 226987, 351670, 359260, 434236, 453974, 542795, 703340, 907948, 1085590, 1134935, 2171180, 2269870, 2496857, 4539740, 4993714, 9987428, 12484285, 24968570, 49937140]

約数ペア:

[(1, 49937140), (2, 24968570), (4, 12484285), (5, 9987428), (10, 4993714), (11, 4539740), (20, 2496857), (22, 2269870), (23, 2171180), (44, 1134935), (46, 1085590), (55, 907948), (71, 703340), (92, 542795), (110, 453974), (115, 434236), (139, 359260), (142, 351670), (220, 226987), (230, 217118), (253, 197380), (278, 179630), (284, 175835), (355, 140668), (460, 108559), (506, 98690), (556, 89815), (695, 71852), (710, 70334), (781, 63940), (1012, 49345), (1265, 39476), (1390, 35926), (1420, 35167), (1529, 32660), (1562, 31970), (1633, 30580), (2530, 19738), (2780, 17963), (3058, 16330), (3124, 15985), (3197, 15620), (3266, 15290), (3905, 12788), (5060, 9869), (6116, 8165), (6394, 7810), (6532, 7645)]