63128900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 142074240

約数和(自身を除く): 78945340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 79, 100, 122, 131, 158, 244, 262, 305, 316, 395, 524, 610, 655, 790, 1220, 1310, 1525, 1580, 1975, 2620, 3050, 3275, 3950, 4819, 6100, 6550, 7900, 7991, 9638, 10349, 13100, 15982, 19276, 20698, 24095, 31964, 39955, 41396, 48190, 51745, 79910, 96380, 103490, 120475, 159820, 199775, 206980, 240950, 258725, 399550, 481900, 517450, 631289, 799100, 1034900, 1262578, 2525156, 3156445, 6312890, 12625780, 15782225, 31564450, 63128900]

約数ペア:

[(1, 63128900), (2, 31564450), (4, 15782225), (5, 12625780), (10, 6312890), (20, 3156445), (25, 2525156), (50, 1262578), (61, 1034900), (79, 799100), (100, 631289), (122, 517450), (131, 481900), (158, 399550), (244, 258725), (262, 240950), (305, 206980), (316, 199775), (395, 159820), (524, 120475), (610, 103490), (655, 96380), (790, 79910), (1220, 51745), (1310, 48190), (1525, 41396), (1580, 39955), (1975, 31964), (2620, 24095), (3050, 20698), (3275, 19276), (3950, 15982), (4819, 13100), (6100, 10349), (6550, 9638), (7900, 7991)]