31324367020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{167}}^2\times {\mathrm{631}}^1$

素因数の和:1063

約数の個数: 72

約数和(自身を含む): 67027050720

約数和(自身を除く): 35702683700

約数列:

[1, 2, 4, 5, 10, 20, 89, 167, 178, 334, 356, 445, 631, 668, 835, 890, 1262, 1670, 1780, 2524, 3155, 3340, 6310, 12620, 14863, 27889, 29726, 55778, 56159, 59452, 74315, 105377, 111556, 112318, 139445, 148630, 210754, 224636, 278890, 280795, 297260, 421508, 526885, 557780, 561590, 1053770, 1123180, 2107540, 2482121, 4964242, 9378553, 9928484, 12410605, 17597959, 18757106, 24821210, 35195918, 37514212, 46892765, 49642420, 70391836, 87989795, 93785530, 175979590, 187571060, 351959180, 1566218351, 3132436702, 6264873404, 7831091755, 15662183510, 31324367020]

約数ペア:

[(1, 31324367020), (2, 15662183510), (4, 7831091755), (5, 6264873404), (10, 3132436702), (20, 1566218351), (89, 351959180), (167, 187571060), (178, 175979590), (334, 93785530), (356, 87989795), (445, 70391836), (631, 49642420), (668, 46892765), (835, 37514212), (890, 35195918), (1262, 24821210), (1670, 18757106), (1780, 17597959), (2524, 12410605), (3155, 9928484), (3340, 9378553), (6310, 4964242), (12620, 2482121), (14863, 2107540), (27889, 1123180), (29726, 1053770), (55778, 561590), (56159, 557780), (59452, 526885), (74315, 421508), (105377, 297260), (111556, 280795), (112318, 278890), (139445, 224636), (148630, 210754)]