12593980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 31370976

約数和(自身を除く): 18776996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 181, 196, 245, 284, 355, 362, 490, 497, 710, 724, 905, 980, 994, 1267, 1420, 1810, 1988, 2485, 2534, 3479, 3620, 4970, 5068, 6335, 6958, 8869, 9940, 12670, 12851, 13916, 17395, 17738, 25340, 25702, 34790, 35476, 44345, 51404, 64255, 69580, 88690, 89957, 128510, 177380, 179914, 257020, 359828, 449785, 629699, 899570, 1259398, 1799140, 2518796, 3148495, 6296990, 12593980]

約数ペア:

[(1, 12593980), (2, 6296990), (4, 3148495), (5, 2518796), (7, 1799140), (10, 1259398), (14, 899570), (20, 629699), (28, 449785), (35, 359828), (49, 257020), (70, 179914), (71, 177380), (98, 128510), (140, 89957), (142, 88690), (181, 69580), (196, 64255), (245, 51404), (284, 44345), (355, 35476), (362, 34790), (490, 25702), (497, 25340), (710, 17738), (724, 17395), (905, 13916), (980, 12851), (994, 12670), (1267, 9940), (1420, 8869), (1810, 6958), (1988, 6335), (2485, 5068), (2534, 4970), (3479, 3620)]