289898125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:463

約数の個数: 40

約数和(自身を含む): 399247200

約数和(自身を除く): 109349075

約数列:

[1, 5, 11, 25, 55, 125, 149, 275, 283, 625, 745, 1375, 1415, 1639, 3113, 3725, 6875, 7075, 8195, 15565, 18625, 35375, 40975, 42167, 77825, 93125, 176875, 204875, 210835, 389125, 463837, 1024375, 1054175, 1945625, 2319185, 5270875, 11595925, 26354375, 57979625, 289898125]

約数ペア:

[(1, 289898125), (5, 57979625), (11, 26354375), (25, 11595925), (55, 5270875), (125, 2319185), (149, 1945625), (275, 1054175), (283, 1024375), (625, 463837), (745, 389125), (1375, 210835), (1415, 204875), (1639, 176875), (3113, 93125), (3725, 77825), (6875, 42167), (7075, 40975), (8195, 35375), (15565, 18625)]