2127220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 4773888

約数和(自身を除く): 2646668

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 73, 94, 124, 146, 155, 188, 235, 292, 310, 365, 470, 620, 730, 940, 1457, 1460, 2263, 2914, 3431, 4526, 5828, 6862, 7285, 9052, 11315, 13724, 14570, 17155, 22630, 29140, 34310, 45260, 68620, 106361, 212722, 425444, 531805, 1063610, 2127220]

約数ペア:

[(1, 2127220), (2, 1063610), (4, 531805), (5, 425444), (10, 212722), (20, 106361), (31, 68620), (47, 45260), (62, 34310), (73, 29140), (94, 22630), (124, 17155), (146, 14570), (155, 13724), (188, 11315), (235, 9052), (292, 7285), (310, 6862), (365, 5828), (470, 4526), (620, 3431), (730, 2914), (940, 2263), (1457, 1460)]