1994403875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1051}}^1$

素因数の和:1149

約数の個数: 64

約数和(自身を含む): 2835855360

約数和(自身を除く): 841451485

約数列:

[1, 5, 17, 19, 25, 47, 85, 95, 125, 235, 323, 425, 475, 799, 893, 1051, 1175, 1615, 2125, 2375, 3995, 4465, 5255, 5875, 8075, 15181, 17867, 19969, 19975, 22325, 26275, 40375, 49397, 75905, 89335, 99845, 99875, 111625, 131375, 246985, 339473, 379525, 446675, 499225, 839749, 938543, 1234925, 1697365, 1897625, 2233375, 2496125, 4198745, 4692715, 6174625, 8486825, 15955231, 20993725, 23463575, 42434125, 79776155, 104968625, 117317875, 398880775, 1994403875]

約数ペア:

[(1, 1994403875), (5, 398880775), (17, 117317875), (19, 104968625), (25, 79776155), (47, 42434125), (85, 23463575), (95, 20993725), (125, 15955231), (235, 8486825), (323, 6174625), (425, 4692715), (475, 4198745), (799, 2496125), (893, 2233375), (1051, 1897625), (1175, 1697365), (1615, 1234925), (2125, 938543), (2375, 839749), (3995, 499225), (4465, 446675), (5255, 379525), (5875, 339473), (8075, 246985), (15181, 131375), (17867, 111625), (19969, 99875), (19975, 99845), (22325, 89335), (26275, 75905), (40375, 49397)]