870865670

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 1664188416

約数和(自身を除く): 793322746

約数列:

[1, 2, 5, 10, 37, 43, 74, 86, 127, 185, 215, 254, 370, 430, 431, 635, 862, 1270, 1591, 2155, 3182, 4310, 4699, 5461, 7955, 9398, 10922, 15910, 15947, 18533, 23495, 27305, 31894, 37066, 46990, 54610, 54737, 79735, 92665, 109474, 159470, 185330, 202057, 273685, 404114, 547370, 685721, 1010285, 1371442, 2020570, 2025269, 2353691, 3428605, 4050538, 4707382, 6857210, 10126345, 11768455, 20252690, 23536910, 87086567, 174173134, 435432835, 870865670]

約数ペア:

[(1, 870865670), (2, 435432835), (5, 174173134), (10, 87086567), (37, 23536910), (43, 20252690), (74, 11768455), (86, 10126345), (127, 6857210), (185, 4707382), (215, 4050538), (254, 3428605), (370, 2353691), (430, 2025269), (431, 2020570), (635, 1371442), (862, 1010285), (1270, 685721), (1591, 547370), (2155, 404114), (3182, 273685), (4310, 202057), (4699, 185330), (5461, 159470), (7955, 109474), (9398, 92665), (10922, 79735), (15910, 54737), (15947, 54610), (18533, 46990), (23495, 37066), (27305, 31894)]