201530875

素因数分解:

$5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2531}}^1$

素因数の和:2573

約数の個数: 48

約数和(自身を含む): 315203616

約数和(自身を除く): 113672741

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 125, 175, 245, 325, 455, 637, 875, 1225, 1625, 2275, 2531, 3185, 6125, 11375, 12655, 15925, 17717, 32903, 63275, 79625, 88585, 124019, 164515, 230321, 316375, 442925, 620095, 822575, 1151605, 1612247, 2214625, 3100475, 4112875, 5758025, 8061235, 15502375, 28790125, 40306175, 201530875]

約数ペア:

[(1, 201530875), (5, 40306175), (7, 28790125), (13, 15502375), (25, 8061235), (35, 5758025), (49, 4112875), (65, 3100475), (91, 2214625), (125, 1612247), (175, 1151605), (245, 822575), (325, 620095), (455, 442925), (637, 316375), (875, 230321), (1225, 164515), (1625, 124019), (2275, 88585), (2531, 79625), (3185, 63275), (6125, 32903), (11375, 17717), (12655, 15925)]