28250190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4421}}^1$

素因数の和:4505

約数の個数: 48

約数和(自身を含む): 74501856

約数和(自身を除く): 46251666

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 4421, 6390, 8842, 13263, 22105, 26526, 39789, 44210, 66315, 79578, 132630, 198945, 313891, 397890, 627782, 941673, 1569455, 1883346, 2825019, 3138910, 4708365, 5650038, 9416730, 14125095, 28250190]

約数ペア:

[(1, 28250190), (2, 14125095), (3, 9416730), (5, 5650038), (6, 4708365), (9, 3138910), (10, 2825019), (15, 1883346), (18, 1569455), (30, 941673), (45, 627782), (71, 397890), (90, 313891), (142, 198945), (213, 132630), (355, 79578), (426, 66315), (639, 44210), (710, 39789), (1065, 26526), (1278, 22105), (2130, 13263), (3195, 8842), (4421, 6390)]