289749880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{13099}}^1$

素因数の和:13196

約数の個数: 64

約数和(自身を含む): 754560000

約数和(自身を除く): 464810120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4424, 5530, 11060, 13099, 22120, 26198, 52396, 65495, 91693, 104792, 130990, 183386, 261980, 366772, 458465, 523960, 733544, 916930, 1034821, 1833860, 2069642, 3667720, 4139284, 5174105, 7243747, 8278568, 10348210, 14487494, 20696420, 28974988, 36218735, 41392840, 57949976, 72437470, 144874940, 289749880]

約数ペア:

[(1, 289749880), (2, 144874940), (4, 72437470), (5, 57949976), (7, 41392840), (8, 36218735), (10, 28974988), (14, 20696420), (20, 14487494), (28, 10348210), (35, 8278568), (40, 7243747), (56, 5174105), (70, 4139284), (79, 3667720), (140, 2069642), (158, 1833860), (280, 1034821), (316, 916930), (395, 733544), (553, 523960), (632, 458465), (790, 366772), (1106, 261980), (1580, 183386), (2212, 130990), (2765, 104792), (3160, 91693), (4424, 65495), (5530, 52396), (11060, 26198), (13099, 22120)]