17839780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1613}}^1$

素因数の和:1708

約数の個数: 48

約数和(自身を含む): 43384320

約数和(自身を除く): 25544540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 1613, 2212, 2765, 3226, 5530, 6452, 8065, 11060, 11291, 16130, 22582, 32260, 45164, 56455, 112910, 127427, 225820, 254854, 509708, 637135, 891989, 1274270, 1783978, 2548540, 3567956, 4459945, 8919890, 17839780]

約数ペア:

[(1, 17839780), (2, 8919890), (4, 4459945), (5, 3567956), (7, 2548540), (10, 1783978), (14, 1274270), (20, 891989), (28, 637135), (35, 509708), (70, 254854), (79, 225820), (140, 127427), (158, 112910), (316, 56455), (395, 45164), (553, 32260), (790, 22582), (1106, 16130), (1580, 11291), (1613, 11060), (2212, 8065), (2765, 6452), (3226, 5530)]