1981449212540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{20132587}}^1$

素因数の和:20132659

約数の個数: 96

約数和(自身を含む): 5141057671680

約数和(自身を除く): 3159608459140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 37, 38, 70, 74, 76, 95, 133, 140, 148, 185, 190, 259, 266, 370, 380, 518, 532, 665, 703, 740, 1036, 1295, 1330, 1406, 2590, 2660, 2812, 3515, 4921, 5180, 7030, 9842, 14060, 19684, 24605, 49210, 98420, 20132587, 40265174, 80530348, 100662935, 140928109, 201325870, 281856218, 382519153, 402651740, 563712436, 704640545, 744905719, 765038306, 1409281090, 1489811438, 1530076612, 1912595765, 2677634071, 2818562180, 2979622876, 3724528595, 3825191530, 5214340033, 5355268142, 7449057190, 7650383060, 10428680066, 10710536284, 13388170355, 14153208661, 14898114380, 20857360132, 26071700165, 26776340710, 28306417322, 52143400330, 53552681420, 56612834644, 70766043305, 99072460627, 104286800660, 141532086610, 198144921254, 283064173220, 396289842508, 495362303135, 990724606270, 1981449212540]

約数ペア:

[(1, 1981449212540), (2, 990724606270), (4, 495362303135), (5, 396289842508), (7, 283064173220), (10, 198144921254), (14, 141532086610), (19, 104286800660), (20, 99072460627), (28, 70766043305), (35, 56612834644), (37, 53552681420), (38, 52143400330), (70, 28306417322), (74, 26776340710), (76, 26071700165), (95, 20857360132), (133, 14898114380), (140, 14153208661), (148, 13388170355), (185, 10710536284), (190, 10428680066), (259, 7650383060), (266, 7449057190), (370, 5355268142), (380, 5214340033), (518, 3825191530), (532, 3724528595), (665, 2979622876), (703, 2818562180), (740, 2677634071), (1036, 1912595765), (1295, 1530076612), (1330, 1489811438), (1406, 1409281090), (2590, 765038306), (2660, 744905719), (2812, 704640545), (3515, 563712436), (4921, 402651740), (5180, 382519153), (7030, 281856218), (9842, 201325870), (14060, 140928109), (19684, 100662935), (24605, 80530348), (49210, 40265174), (98420, 20132587)]