74921420

素因数分解:

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

素因数の和:391

約数の個数: 96

約数和(自身を含む): 189321216

約数和(自身を除く): 114399796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 61, 62, 70, 122, 124, 140, 155, 217, 244, 283, 305, 310, 427, 434, 566, 610, 620, 854, 868, 1085, 1132, 1220, 1415, 1708, 1891, 1981, 2135, 2170, 2830, 3782, 3962, 4270, 4340, 5660, 7564, 7924, 8540, 8773, 9455, 9905, 13237, 17263, 17546, 18910, 19810, 26474, 34526, 35092, 37820, 39620, 43865, 52948, 61411, 66185, 69052, 86315, 87730, 120841, 122822, 132370, 172630, 175460, 241682, 245644, 264740, 307055, 345260, 483364, 535153, 604205, 614110, 1070306, 1208410, 1228220, 2140612, 2416820, 2675765, 3746071, 5351530, 7492142, 10703060, 14984284, 18730355, 37460710, 74921420]

約数ペア:

[(1, 74921420), (2, 37460710), (4, 18730355), (5, 14984284), (7, 10703060), (10, 7492142), (14, 5351530), (20, 3746071), (28, 2675765), (31, 2416820), (35, 2140612), (61, 1228220), (62, 1208410), (70, 1070306), (122, 614110), (124, 604205), (140, 535153), (155, 483364), (217, 345260), (244, 307055), (283, 264740), (305, 245644), (310, 241682), (427, 175460), (434, 172630), (566, 132370), (610, 122822), (620, 120841), (854, 87730), (868, 86315), (1085, 69052), (1132, 66185), (1220, 61411), (1415, 52948), (1708, 43865), (1891, 39620), (1981, 37820), (2135, 35092), (2170, 34526), (2830, 26474), (3782, 19810), (3962, 18910), (4270, 17546), (4340, 17263), (5660, 13237), (7564, 9905), (7924, 9455), (8540, 8773)]