291330690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1387289}}^1$

素因数の和:1387306

約数の個数: 32

約数和(自身を含む): 799079040

約数和(自身を除く): 507748350

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1387289, 2774578, 4161867, 6936445, 8323734, 9711023, 13872890, 19422046, 20809335, 29133069, 41618670, 48555115, 58266138, 97110230, 145665345, 291330690]

約数ペア:

[(1, 291330690), (2, 145665345), (3, 97110230), (5, 58266138), (6, 48555115), (7, 41618670), (10, 29133069), (14, 20809335), (15, 19422046), (21, 13872890), (30, 9711023), (35, 8323734), (42, 6936445), (70, 4161867), (105, 2774578), (210, 1387289)]