289996250

素因数分解:

$2^1\times 5^4\times {\mathrm{101}}^1\times {\mathrm{2297}}^1$

素因数の和:2420

約数の個数: 40

約数和(自身を含む): 549189828

約数和(自身を除く): 259193578

約数列:

[1, 2, 5, 10, 25, 50, 101, 125, 202, 250, 505, 625, 1010, 1250, 2297, 2525, 4594, 5050, 11485, 12625, 22970, 25250, 57425, 63125, 114850, 126250, 231997, 287125, 463994, 574250, 1159985, 1435625, 2319970, 2871250, 5799925, 11599850, 28999625, 57999250, 144998125, 289996250]

約数ペア:

[(1, 289996250), (2, 144998125), (5, 57999250), (10, 28999625), (25, 11599850), (50, 5799925), (101, 2871250), (125, 2319970), (202, 1435625), (250, 1159985), (505, 574250), (625, 463994), (1010, 287125), (1250, 231997), (2297, 126250), (2525, 114850), (4594, 63125), (5050, 57425), (11485, 25250), (12625, 22970)]