790589900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{1409}}^1$

素因数の和:1635

約数の個数: 72

約数和(自身を含む): 1781969280

約数和(自身を除く): 991379380

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 181, 310, 362, 620, 724, 775, 905, 1409, 1550, 1810, 2818, 3100, 3620, 4525, 5611, 5636, 7045, 9050, 11222, 14090, 18100, 22444, 28055, 28180, 35225, 43679, 56110, 70450, 87358, 112220, 140275, 140900, 174716, 218395, 255029, 280550, 436790, 510058, 561100, 873580, 1020116, 1091975, 1275145, 2183950, 2550290, 4367900, 5100580, 6375725, 7905899, 12751450, 15811798, 25502900, 31623596, 39529495, 79058990, 158117980, 197647475, 395294950, 790589900]

約数ペア:

[(1, 790589900), (2, 395294950), (4, 197647475), (5, 158117980), (10, 79058990), (20, 39529495), (25, 31623596), (31, 25502900), (50, 15811798), (62, 12751450), (100, 7905899), (124, 6375725), (155, 5100580), (181, 4367900), (310, 2550290), (362, 2183950), (620, 1275145), (724, 1091975), (775, 1020116), (905, 873580), (1409, 561100), (1550, 510058), (1810, 436790), (2818, 280550), (3100, 255029), (3620, 218395), (4525, 174716), (5611, 140900), (5636, 140275), (7045, 112220), (9050, 87358), (11222, 70450), (14090, 56110), (18100, 43679), (22444, 35225), (28055, 28180)]