89740360

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^2\times {\mathrm{421}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 205205940

約数和(自身を除く): 115465580

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 421, 584, 730, 842, 1460, 1684, 2105, 2920, 3368, 4210, 5329, 8420, 10658, 16840, 21316, 26645, 30733, 42632, 53290, 61466, 106580, 122932, 153665, 213160, 245864, 307330, 614660, 1229320, 2243509, 4487018, 8974036, 11217545, 17948072, 22435090, 44870180, 89740360]

約数ペア:

[(1, 89740360), (2, 44870180), (4, 22435090), (5, 17948072), (8, 11217545), (10, 8974036), (20, 4487018), (40, 2243509), (73, 1229320), (146, 614660), (292, 307330), (365, 245864), (421, 213160), (584, 153665), (730, 122932), (842, 106580), (1460, 61466), (1684, 53290), (2105, 42632), (2920, 30733), (3368, 26645), (4210, 21316), (5329, 16840), (8420, 10658)]