397135280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{171179}}^1$

素因数の和:171221

約数の個数: 40

約数和(自身を含む): 955184400

約数和(自身を除く): 558049120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 171179, 342358, 684716, 855895, 1369432, 1711790, 2738864, 3423580, 4964191, 6847160, 9928382, 13694320, 19856764, 24820955, 39713528, 49641910, 79427056, 99283820, 198567640, 397135280]

約数ペア:

[(1, 397135280), (2, 198567640), (4, 99283820), (5, 79427056), (8, 49641910), (10, 39713528), (16, 24820955), (20, 19856764), (29, 13694320), (40, 9928382), (58, 6847160), (80, 4964191), (116, 3423580), (145, 2738864), (232, 1711790), (290, 1369432), (464, 855895), (580, 684716), (1160, 342358), (2320, 171179)]