7990870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 15033600

約数和(自身を除く): 7042730

約数列:

[1, 2, 5, 10, 31, 62, 149, 155, 173, 298, 310, 346, 745, 865, 1490, 1730, 4619, 5363, 9238, 10726, 23095, 25777, 26815, 46190, 51554, 53630, 128885, 257770, 799087, 1598174, 3995435, 7990870]

約数ペア:

[(1, 7990870), (2, 3995435), (5, 1598174), (10, 799087), (31, 257770), (62, 128885), (149, 53630), (155, 51554), (173, 46190), (298, 26815), (310, 25777), (346, 23095), (745, 10726), (865, 9238), (1490, 5363), (1730, 4619)]