198333875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1$

素因数の和:169

約数の個数: 48

約数和(自身を含む): 272170080

約数和(自身を除く): 73836205

約数列:

[1, 5, 19, 25, 37, 61, 95, 125, 185, 305, 475, 703, 925, 1159, 1369, 1525, 2257, 2375, 3515, 4625, 5795, 6845, 7625, 11285, 17575, 26011, 28975, 34225, 42883, 56425, 83509, 87875, 130055, 144875, 171125, 214415, 282125, 417545, 650275, 1072075, 1586671, 2087725, 3251375, 5360375, 7933355, 10438625, 39666775, 198333875]

約数ペア:

[(1, 198333875), (5, 39666775), (19, 10438625), (25, 7933355), (37, 5360375), (61, 3251375), (95, 2087725), (125, 1586671), (185, 1072075), (305, 650275), (475, 417545), (703, 282125), (925, 214415), (1159, 171125), (1369, 144875), (1525, 130055), (2257, 87875), (2375, 83509), (3515, 56425), (4625, 42883), (5795, 34225), (6845, 28975), (7625, 26011), (11285, 17575)]