1777540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 3999744

約数和(自身を除く): 2222204

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 61, 62, 94, 122, 124, 155, 188, 235, 244, 305, 310, 470, 610, 620, 940, 1220, 1457, 1891, 2867, 2914, 3782, 5734, 5828, 7285, 7564, 9455, 11468, 14335, 14570, 18910, 28670, 29140, 37820, 57340, 88877, 177754, 355508, 444385, 888770, 1777540]

約数ペア:

[(1, 1777540), (2, 888770), (4, 444385), (5, 355508), (10, 177754), (20, 88877), (31, 57340), (47, 37820), (61, 29140), (62, 28670), (94, 18910), (122, 14570), (124, 14335), (155, 11468), (188, 9455), (235, 7564), (244, 7285), (305, 5828), (310, 5734), (470, 3782), (610, 2914), (620, 2867), (940, 1891), (1220, 1457)]