212358725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 292332480

約数和(自身を除く): 79973755

約数列:

[1, 5, 19, 25, 37, 43, 95, 185, 215, 281, 475, 703, 817, 925, 1075, 1405, 1591, 3515, 4085, 5339, 7025, 7955, 10397, 12083, 17575, 20425, 26695, 30229, 39775, 51985, 60415, 133475, 151145, 197543, 229577, 259925, 302075, 447071, 755725, 987715, 1147885, 2235355, 4938575, 5739425, 8494349, 11176775, 42471745, 212358725]

約数ペア:

[(1, 212358725), (5, 42471745), (19, 11176775), (25, 8494349), (37, 5739425), (43, 4938575), (95, 2235355), (185, 1147885), (215, 987715), (281, 755725), (475, 447071), (703, 302075), (817, 259925), (925, 229577), (1075, 197543), (1405, 151145), (1591, 133475), (3515, 60415), (4085, 51985), (5339, 39775), (7025, 30229), (7955, 26695), (10397, 20425), (12083, 17575)]