140435820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:740

約数の個数: 144

約数和(自身を含む): 489984768

約数和(自身を除く): 349548948

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 227, 252, 315, 420, 454, 491, 630, 681, 908, 982, 1135, 1260, 1362, 1473, 1589, 1964, 2043, 2270, 2455, 2724, 2946, 3178, 3405, 3437, 4086, 4419, 4540, 4767, 4910, 5892, 6356, 6810, 6874, 7365, 7945, 8172, 8838, 9534, 9820, 10215, 10311, 13620, 13748, 14301, 14730, 15890, 17185, 17676, 19068, 20430, 20622, 22095, 23835, 28602, 29460, 30933, 31780, 34370, 40860, 41244, 44190, 47670, 51555, 57204, 61866, 68740, 71505, 88380, 95340, 103110, 111457, 123732, 143010, 154665, 206220, 222914, 286020, 309330, 334371, 445828, 557285, 618660, 668742, 780199, 1003113, 1114570, 1337484, 1560398, 1671855, 2006226, 2229140, 2340597, 3120796, 3343710, 3900995, 4012452, 4681194, 5015565, 6687420, 7021791, 7801990, 9362388, 10031130, 11702985, 14043582, 15603980, 20062260, 23405970, 28087164, 35108955, 46811940, 70217910, 140435820]

約数ペア:

[(1, 140435820), (2, 70217910), (3, 46811940), (4, 35108955), (5, 28087164), (6, 23405970), (7, 20062260), (9, 15603980), (10, 14043582), (12, 11702985), (14, 10031130), (15, 9362388), (18, 7801990), (20, 7021791), (21, 6687420), (28, 5015565), (30, 4681194), (35, 4012452), (36, 3900995), (42, 3343710), (45, 3120796), (60, 2340597), (63, 2229140), (70, 2006226), (84, 1671855), (90, 1560398), (105, 1337484), (126, 1114570), (140, 1003113), (180, 780199), (210, 668742), (227, 618660), (252, 557285), (315, 445828), (420, 334371), (454, 309330), (491, 286020), (630, 222914), (681, 206220), (908, 154665), (982, 143010), (1135, 123732), (1260, 111457), (1362, 103110), (1473, 95340), (1589, 88380), (1964, 71505), (2043, 68740), (2270, 61866), (2455, 57204), (2724, 51555), (2946, 47670), (3178, 44190), (3405, 41244), (3437, 40860), (4086, 34370), (4419, 31780), (4540, 30933), (4767, 29460), (4910, 28602), (5892, 23835), (6356, 22095), (6810, 20622), (6874, 20430), (7365, 19068), (7945, 17676), (8172, 17185), (8838, 15890), (9534, 14730), (9820, 14301), (10215, 13748), (10311, 13620)]