407769890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{9781}}^1$

素因数の和:10178

約数の個数: 32

約数和(自身を含む): 802906560

約数和(自身を除く): 395136670

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 379, 758, 1895, 3790, 4169, 8338, 9781, 19562, 20845, 41690, 48905, 97810, 107591, 215182, 537955, 1075910, 3706999, 7413998, 18534995, 37069990, 40776989, 81553978, 203884945, 407769890]

約数ペア:

[(1, 407769890), (2, 203884945), (5, 81553978), (10, 40776989), (11, 37069990), (22, 18534995), (55, 7413998), (110, 3706999), (379, 1075910), (758, 537955), (1895, 215182), (3790, 107591), (4169, 97810), (8338, 48905), (9781, 41690), (19562, 20845)]