220100275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 308417760

約数和(自身を除く): 88317485

約数列:

[1, 5, 17, 19, 25, 85, 95, 97, 281, 323, 425, 475, 485, 1405, 1615, 1649, 1843, 2425, 4777, 5339, 7025, 8075, 8245, 9215, 23885, 26695, 27257, 31331, 41225, 46075, 90763, 119425, 133475, 136285, 156655, 453815, 463369, 517883, 681425, 783275, 2269075, 2316845, 2589415, 8804011, 11584225, 12947075, 44020055, 220100275]

約数ペア:

[(1, 220100275), (5, 44020055), (17, 12947075), (19, 11584225), (25, 8804011), (85, 2589415), (95, 2316845), (97, 2269075), (281, 783275), (323, 681425), (425, 517883), (475, 463369), (485, 453815), (1405, 156655), (1615, 136285), (1649, 133475), (1843, 119425), (2425, 90763), (4777, 46075), (5339, 41225), (7025, 31331), (8075, 27257), (8245, 26695), (9215, 23885)]