1481740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 3457440

約数和(自身を除く): 1975700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 139, 164, 205, 260, 278, 410, 533, 556, 695, 820, 1066, 1390, 1807, 2132, 2665, 2780, 3614, 5330, 5699, 7228, 9035, 10660, 11398, 18070, 22796, 28495, 36140, 56990, 74087, 113980, 148174, 296348, 370435, 740870, 1481740]

約数ペア:

[(1, 1481740), (2, 740870), (4, 370435), (5, 296348), (10, 148174), (13, 113980), (20, 74087), (26, 56990), (41, 36140), (52, 28495), (65, 22796), (82, 18070), (130, 11398), (139, 10660), (164, 9035), (205, 7228), (260, 5699), (278, 5330), (410, 3614), (533, 2780), (556, 2665), (695, 2132), (820, 1807), (1066, 1390)]