289120625

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:387

約数の個数: 40

約数和(自身を含む): 385751520

約数和(自身を除く): 96630895

約数列:

[1, 5, 19, 25, 95, 97, 125, 251, 475, 485, 625, 1255, 1843, 2375, 2425, 4769, 6275, 9215, 11875, 12125, 23845, 24347, 31375, 46075, 60625, 119225, 121735, 156875, 230375, 462593, 596125, 608675, 1151875, 2312965, 2980625, 3043375, 11564825, 15216875, 57824125, 289120625]

約数ペア:

[(1, 289120625), (5, 57824125), (19, 15216875), (25, 11564825), (95, 3043375), (97, 2980625), (125, 2312965), (251, 1151875), (475, 608675), (485, 596125), (625, 462593), (1255, 230375), (1843, 156875), (2375, 121735), (2425, 119225), (4769, 60625), (6275, 46075), (9215, 31375), (11875, 24347), (12125, 23845)]