387624890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{27947}}^1$

素因数の和:28046

約数の個数: 32

約数和(自身を含む): 744534720

約数和(自身を除く): 356909830

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 365, 730, 1387, 2774, 6935, 13870, 27947, 55894, 139735, 279470, 530993, 1061986, 2040131, 2654965, 4080262, 5309930, 10200655, 20401310, 38762489, 77524978, 193812445, 387624890]

約数ペア:

[(1, 387624890), (2, 193812445), (5, 77524978), (10, 38762489), (19, 20401310), (38, 10200655), (73, 5309930), (95, 4080262), (146, 2654965), (190, 2040131), (365, 1061986), (730, 530993), (1387, 279470), (2774, 139735), (6935, 55894), (13870, 27947)]