2119450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:151

約数の個数: 48

約数和(自身を含む): 4374720

約数和(自身を除く): 2255270

約数列:

[1, 2, 5, 10, 19, 23, 25, 38, 46, 50, 95, 97, 115, 190, 194, 230, 437, 475, 485, 575, 874, 950, 970, 1150, 1843, 2185, 2231, 2425, 3686, 4370, 4462, 4850, 9215, 10925, 11155, 18430, 21850, 22310, 42389, 46075, 55775, 84778, 92150, 111550, 211945, 423890, 1059725, 2119450]

約数ペア:

[(1, 2119450), (2, 1059725), (5, 423890), (10, 211945), (19, 111550), (23, 92150), (25, 84778), (38, 55775), (46, 46075), (50, 42389), (95, 22310), (97, 21850), (115, 18430), (190, 11155), (194, 10925), (230, 9215), (437, 4850), (475, 4462), (485, 4370), (575, 3686), (874, 2425), (950, 2231), (970, 2185), (1150, 1843)]