28691440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 70308000

約数和(自身を除く): 41616560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 83, 116, 145, 149, 166, 232, 290, 298, 332, 415, 464, 580, 596, 664, 745, 830, 1160, 1192, 1328, 1490, 1660, 2320, 2384, 2407, 2980, 3320, 4321, 4814, 5960, 6640, 8642, 9628, 11920, 12035, 12367, 17284, 19256, 21605, 24070, 24734, 34568, 38512, 43210, 48140, 49468, 61835, 69136, 86420, 96280, 98936, 123670, 172840, 192560, 197872, 247340, 345680, 358643, 494680, 717286, 989360, 1434572, 1793215, 2869144, 3586430, 5738288, 7172860, 14345720, 28691440]

約数ペア:

[(1, 28691440), (2, 14345720), (4, 7172860), (5, 5738288), (8, 3586430), (10, 2869144), (16, 1793215), (20, 1434572), (29, 989360), (40, 717286), (58, 494680), (80, 358643), (83, 345680), (116, 247340), (145, 197872), (149, 192560), (166, 172840), (232, 123670), (290, 98936), (298, 96280), (332, 86420), (415, 69136), (464, 61835), (580, 49468), (596, 48140), (664, 43210), (745, 38512), (830, 34568), (1160, 24734), (1192, 24070), (1328, 21605), (1490, 19256), (1660, 17284), (2320, 12367), (2384, 12035), (2407, 11920), (2980, 9628), (3320, 8642), (4321, 6640), (4814, 5960)]