29918020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{569}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 68947200

約数和(自身を除く): 39029180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 239, 478, 569, 956, 1138, 1195, 2276, 2390, 2629, 2845, 4780, 5258, 5690, 6259, 10516, 11380, 12518, 13145, 25036, 26290, 31295, 52580, 62590, 125180, 135991, 271982, 543964, 679955, 1359910, 1495901, 2719820, 2991802, 5983604, 7479505, 14959010, 29918020]

約数ペア:

[(1, 29918020), (2, 14959010), (4, 7479505), (5, 5983604), (10, 2991802), (11, 2719820), (20, 1495901), (22, 1359910), (44, 679955), (55, 543964), (110, 271982), (220, 135991), (239, 125180), (478, 62590), (569, 52580), (956, 31295), (1138, 26290), (1195, 25036), (2276, 13145), (2390, 12518), (2629, 11380), (2845, 10516), (4780, 6259), (5258, 5690)]