68879750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{853}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 143881920

約数和(自身を除く): 75002170

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 125, 170, 190, 250, 323, 425, 475, 646, 850, 853, 950, 1615, 1706, 2125, 2375, 3230, 4250, 4265, 4750, 8075, 8530, 14501, 16150, 16207, 21325, 29002, 32414, 40375, 42650, 72505, 80750, 81035, 106625, 145010, 162070, 213250, 275519, 362525, 405175, 551038, 725050, 810350, 1377595, 1812625, 2025875, 2755190, 3625250, 4051750, 6887975, 13775950, 34439875, 68879750]

約数ペア:

[(1, 68879750), (2, 34439875), (5, 13775950), (10, 6887975), (17, 4051750), (19, 3625250), (25, 2755190), (34, 2025875), (38, 1812625), (50, 1377595), (85, 810350), (95, 725050), (125, 551038), (170, 405175), (190, 362525), (250, 275519), (323, 213250), (425, 162070), (475, 145010), (646, 106625), (850, 81035), (853, 80750), (950, 72505), (1615, 42650), (1706, 40375), (2125, 32414), (2375, 29002), (3230, 21325), (4250, 16207), (4265, 16150), (4750, 14501), (8075, 8530)]