551946320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{487}}^1$

素因数の和:988

約数の個数: 80

約数和(自身を含む): 1330295808

約数和(自身を除く): 778349488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 457, 487, 496, 620, 914, 974, 1240, 1828, 1948, 2285, 2435, 2480, 3656, 3896, 4570, 4870, 7312, 7792, 9140, 9740, 14167, 15097, 18280, 19480, 28334, 30194, 36560, 38960, 56668, 60388, 70835, 75485, 113336, 120776, 141670, 150970, 222559, 226672, 241552, 283340, 301940, 445118, 566680, 603880, 890236, 1112795, 1133360, 1207760, 1780472, 2225590, 3560944, 4451180, 6899329, 8902360, 13798658, 17804720, 27597316, 34496645, 55194632, 68993290, 110389264, 137986580, 275973160, 551946320]

約数ペア:

[(1, 551946320), (2, 275973160), (4, 137986580), (5, 110389264), (8, 68993290), (10, 55194632), (16, 34496645), (20, 27597316), (31, 17804720), (40, 13798658), (62, 8902360), (80, 6899329), (124, 4451180), (155, 3560944), (248, 2225590), (310, 1780472), (457, 1207760), (487, 1133360), (496, 1112795), (620, 890236), (914, 603880), (974, 566680), (1240, 445118), (1828, 301940), (1948, 283340), (2285, 241552), (2435, 226672), (2480, 222559), (3656, 150970), (3896, 141670), (4570, 120776), (4870, 113336), (7312, 75485), (7792, 70835), (9140, 60388), (9740, 56668), (14167, 38960), (15097, 36560), (18280, 30194), (19480, 28334)]