149842840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:393

約数の個数: 128

約数和(自身を含む): 405688320

約数和(自身を除く): 255845480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 61, 62, 70, 122, 124, 140, 155, 217, 244, 248, 280, 283, 305, 310, 427, 434, 488, 566, 610, 620, 854, 868, 1085, 1132, 1220, 1240, 1415, 1708, 1736, 1891, 1981, 2135, 2170, 2264, 2440, 2830, 3416, 3782, 3962, 4270, 4340, 5660, 7564, 7924, 8540, 8680, 8773, 9455, 9905, 11320, 13237, 15128, 15848, 17080, 17263, 17546, 18910, 19810, 26474, 34526, 35092, 37820, 39620, 43865, 52948, 61411, 66185, 69052, 70184, 75640, 79240, 86315, 87730, 105896, 120841, 122822, 132370, 138104, 172630, 175460, 241682, 245644, 264740, 307055, 345260, 350920, 483364, 491288, 529480, 535153, 604205, 614110, 690520, 966728, 1070306, 1208410, 1228220, 2140612, 2416820, 2456440, 2675765, 3746071, 4281224, 4833640, 5351530, 7492142, 10703060, 14984284, 18730355, 21406120, 29968568, 37460710, 74921420, 149842840]

約数ペア:

[(1, 149842840), (2, 74921420), (4, 37460710), (5, 29968568), (7, 21406120), (8, 18730355), (10, 14984284), (14, 10703060), (20, 7492142), (28, 5351530), (31, 4833640), (35, 4281224), (40, 3746071), (56, 2675765), (61, 2456440), (62, 2416820), (70, 2140612), (122, 1228220), (124, 1208410), (140, 1070306), (155, 966728), (217, 690520), (244, 614110), (248, 604205), (280, 535153), (283, 529480), (305, 491288), (310, 483364), (427, 350920), (434, 345260), (488, 307055), (566, 264740), (610, 245644), (620, 241682), (854, 175460), (868, 172630), (1085, 138104), (1132, 132370), (1220, 122822), (1240, 120841), (1415, 105896), (1708, 87730), (1736, 86315), (1891, 79240), (1981, 75640), (2135, 70184), (2170, 69052), (2264, 66185), (2440, 61411), (2830, 52948), (3416, 43865), (3782, 39620), (3962, 37820), (4270, 35092), (4340, 34526), (5660, 26474), (7564, 19810), (7924, 18910), (8540, 17546), (8680, 17263), (8773, 17080), (9455, 15848), (9905, 15128), (11320, 13237)]