717507760

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{769}}^1$

素因数の和:998

約数の個数: 80

約数和(自身を含む): 1701453600

約数和(自身を除く): 983945840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 109, 214, 218, 428, 436, 535, 545, 769, 856, 872, 1070, 1090, 1538, 1712, 1744, 2140, 2180, 3076, 3845, 4280, 4360, 6152, 7690, 8560, 8720, 11663, 12304, 15380, 23326, 30760, 46652, 58315, 61520, 82283, 83821, 93304, 116630, 164566, 167642, 186608, 233260, 329132, 335284, 411415, 419105, 466520, 658264, 670568, 822830, 838210, 933040, 1316528, 1341136, 1645660, 1676420, 3291320, 3352840, 6582640, 6705680, 8968847, 17937694, 35875388, 44844235, 71750776, 89688470, 143501552, 179376940, 358753880, 717507760]

約数ペア:

[(1, 717507760), (2, 358753880), (4, 179376940), (5, 143501552), (8, 89688470), (10, 71750776), (16, 44844235), (20, 35875388), (40, 17937694), (80, 8968847), (107, 6705680), (109, 6582640), (214, 3352840), (218, 3291320), (428, 1676420), (436, 1645660), (535, 1341136), (545, 1316528), (769, 933040), (856, 838210), (872, 822830), (1070, 670568), (1090, 658264), (1538, 466520), (1712, 419105), (1744, 411415), (2140, 335284), (2180, 329132), (3076, 233260), (3845, 186608), (4280, 167642), (4360, 164566), (6152, 116630), (7690, 93304), (8560, 83821), (8720, 82283), (11663, 61520), (12304, 58315), (15380, 46652), (23326, 30760)]