1570985740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1\times {\mathrm{4999}}^1$

素因数の和:5854

約数の個数: 48

約数和(自身を含む): 3477600000

約数和(自身を除く): 1906614260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 827, 1654, 3308, 4135, 4999, 8270, 9998, 15713, 16540, 19996, 24995, 31426, 49990, 62852, 78565, 94981, 99980, 157130, 189962, 314260, 379924, 474905, 949810, 1899620, 4134173, 8268346, 16536692, 20670865, 41341730, 78549287, 82683460, 157098574, 314197148, 392746435, 785492870, 1570985740]

約数ペア:

[(1, 1570985740), (2, 785492870), (4, 392746435), (5, 314197148), (10, 157098574), (19, 82683460), (20, 78549287), (38, 41341730), (76, 20670865), (95, 16536692), (190, 8268346), (380, 4134173), (827, 1899620), (1654, 949810), (3308, 474905), (4135, 379924), (4999, 314260), (8270, 189962), (9998, 157130), (15713, 99980), (16540, 94981), (19996, 78565), (24995, 62852), (31426, 49990)]