999320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 2661120

約数和(自身を除く): 1661800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 83, 86, 140, 166, 172, 215, 280, 301, 332, 344, 415, 430, 581, 602, 664, 830, 860, 1162, 1204, 1505, 1660, 1720, 2324, 2408, 2905, 3010, 3320, 3569, 4648, 5810, 6020, 7138, 11620, 12040, 14276, 17845, 23240, 24983, 28552, 35690, 49966, 71380, 99932, 124915, 142760, 199864, 249830, 499660, 999320]

約数ペア:

[(1, 999320), (2, 499660), (4, 249830), (5, 199864), (7, 142760), (8, 124915), (10, 99932), (14, 71380), (20, 49966), (28, 35690), (35, 28552), (40, 24983), (43, 23240), (56, 17845), (70, 14276), (83, 12040), (86, 11620), (140, 7138), (166, 6020), (172, 5810), (215, 4648), (280, 3569), (301, 3320), (332, 3010), (344, 2905), (415, 2408), (430, 2324), (581, 1720), (602, 1660), (664, 1505), (830, 1204), (860, 1162)]