251181036280

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{383}}^1\times {\mathrm{73523}}^1$

素因数の和:74140

約数の個数: 64

約数和(自身を含む): 569181634560

約数和(自身を除く): 318000598280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 383, 446, 766, 892, 1115, 1532, 1784, 1915, 2230, 3064, 3830, 4460, 7660, 8920, 15320, 73523, 85409, 147046, 170818, 294092, 341636, 367615, 427045, 588184, 683272, 735230, 854090, 1470460, 1708180, 2940920, 3416360, 16395629, 28159309, 32791258, 56318618, 65582516, 81978145, 112637236, 131165032, 140796545, 163956290, 225274472, 281593090, 327912580, 563186180, 655825160, 1126372360, 6279525907, 12559051814, 25118103628, 31397629535, 50236207256, 62795259070, 125590518140, 251181036280]

約数ペア:

[(1, 251181036280), (2, 125590518140), (4, 62795259070), (5, 50236207256), (8, 31397629535), (10, 25118103628), (20, 12559051814), (40, 6279525907), (223, 1126372360), (383, 655825160), (446, 563186180), (766, 327912580), (892, 281593090), (1115, 225274472), (1532, 163956290), (1784, 140796545), (1915, 131165032), (2230, 112637236), (3064, 81978145), (3830, 65582516), (4460, 56318618), (7660, 32791258), (8920, 28159309), (15320, 16395629), (73523, 3416360), (85409, 2940920), (147046, 1708180), (170818, 1470460), (294092, 854090), (341636, 735230), (367615, 683272), (427045, 588184)]