1970213075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{701}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 2644518240

約数和(自身を除く): 674305165

約数列:

[1, 5, 19, 25, 61, 95, 97, 305, 475, 485, 701, 1159, 1525, 1843, 2425, 3505, 5795, 5917, 9215, 13319, 17525, 28975, 29585, 42761, 46075, 66595, 67997, 112423, 147925, 213805, 332975, 339985, 562115, 812459, 1069025, 1291943, 1699925, 2810575, 4062295, 4147817, 6459715, 20311475, 20739085, 32298575, 78808523, 103695425, 394042615, 1970213075]

約数ペア:

[(1, 1970213075), (5, 394042615), (19, 103695425), (25, 78808523), (61, 32298575), (95, 20739085), (97, 20311475), (305, 6459715), (475, 4147817), (485, 4062295), (701, 2810575), (1159, 1699925), (1525, 1291943), (1843, 1069025), (2425, 812459), (3505, 562115), (5795, 339985), (5917, 332975), (9215, 213805), (13319, 147925), (17525, 112423), (28975, 67997), (29585, 66595), (42761, 46075)]