287997680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{503}}^1$

素因数の和:954

約数の個数: 80

約数和(自身を含む): 712079424

約数和(自身を除く): 424081744

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 421, 503, 680, 842, 1006, 1360, 1684, 2012, 2105, 2515, 3368, 4024, 4210, 5030, 6736, 7157, 8048, 8420, 8551, 10060, 14314, 16840, 17102, 20120, 28628, 33680, 34204, 35785, 40240, 42755, 57256, 68408, 71570, 85510, 114512, 136816, 143140, 171020, 211763, 286280, 342040, 423526, 572560, 684080, 847052, 1058815, 1694104, 2117630, 3388208, 3599971, 4235260, 7199942, 8470520, 14399884, 16941040, 17999855, 28799768, 35999710, 57599536, 71999420, 143998840, 287997680]

約数ペア:

[(1, 287997680), (2, 143998840), (4, 71999420), (5, 57599536), (8, 35999710), (10, 28799768), (16, 17999855), (17, 16941040), (20, 14399884), (34, 8470520), (40, 7199942), (68, 4235260), (80, 3599971), (85, 3388208), (136, 2117630), (170, 1694104), (272, 1058815), (340, 847052), (421, 684080), (503, 572560), (680, 423526), (842, 342040), (1006, 286280), (1360, 211763), (1684, 171020), (2012, 143140), (2105, 136816), (2515, 114512), (3368, 85510), (4024, 71570), (4210, 68408), (5030, 57256), (6736, 42755), (7157, 40240), (8048, 35785), (8420, 34204), (8551, 33680), (10060, 28628), (14314, 20120), (16840, 17102)]