1779740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 4027968

約数和(自身を除く): 2248228

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 53, 73, 92, 106, 115, 146, 212, 230, 265, 292, 365, 460, 530, 730, 1060, 1219, 1460, 1679, 2438, 3358, 3869, 4876, 6095, 6716, 7738, 8395, 12190, 15476, 16790, 19345, 24380, 33580, 38690, 77380, 88987, 177974, 355948, 444935, 889870, 1779740]

約数ペア:

[(1, 1779740), (2, 889870), (4, 444935), (5, 355948), (10, 177974), (20, 88987), (23, 77380), (46, 38690), (53, 33580), (73, 24380), (92, 19345), (106, 16790), (115, 15476), (146, 12190), (212, 8395), (230, 7738), (265, 6716), (292, 6095), (365, 4876), (460, 3869), (530, 3358), (730, 2438), (1060, 1679), (1219, 1460)]