78911450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 72

約数和(自身を含む): 160799232

約数和(自身を除く): 81887782

約数列:

[1, 2, 5, 10, 17, 25, 34, 43, 50, 85, 86, 127, 170, 215, 254, 289, 425, 430, 578, 635, 731, 850, 1075, 1270, 1445, 1462, 2150, 2159, 2890, 3175, 3655, 4318, 5461, 6350, 7225, 7310, 10795, 10922, 12427, 14450, 18275, 21590, 24854, 27305, 36550, 36703, 53975, 54610, 62135, 73406, 92837, 107950, 124270, 136525, 183515, 185674, 273050, 310675, 367030, 464185, 621350, 917575, 928370, 1578229, 1835150, 2320925, 3156458, 4641850, 7891145, 15782290, 39455725, 78911450]

約数ペア:

[(1, 78911450), (2, 39455725), (5, 15782290), (10, 7891145), (17, 4641850), (25, 3156458), (34, 2320925), (43, 1835150), (50, 1578229), (85, 928370), (86, 917575), (127, 621350), (170, 464185), (215, 367030), (254, 310675), (289, 273050), (425, 185674), (430, 183515), (578, 136525), (635, 124270), (731, 107950), (850, 92837), (1075, 73406), (1270, 62135), (1445, 54610), (1462, 53975), (2150, 36703), (2159, 36550), (2890, 27305), (3175, 24854), (3655, 21590), (4318, 18275), (5461, 14450), (6350, 12427), (7225, 10922), (7310, 10795)]