31100370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 128

約数和(自身を含む): 91570176

約数和(自身を除く): 60469806

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 47, 69, 70, 94, 105, 115, 137, 138, 141, 161, 210, 230, 235, 274, 282, 322, 329, 345, 411, 470, 483, 658, 685, 690, 705, 805, 822, 959, 966, 987, 1081, 1370, 1410, 1610, 1645, 1918, 1974, 2055, 2162, 2415, 2877, 3151, 3243, 3290, 4110, 4795, 4830, 4935, 5405, 5754, 6302, 6439, 6486, 7567, 9453, 9590, 9870, 10810, 12878, 14385, 15134, 15755, 16215, 18906, 19317, 22057, 22701, 28770, 31510, 32195, 32430, 37835, 38634, 44114, 45073, 45402, 47265, 64390, 66171, 75670, 90146, 94530, 96585, 110285, 113505, 132342, 135219, 148097, 193170, 220570, 225365, 227010, 270438, 296194, 330855, 444291, 450730, 661710, 676095, 740485, 888582, 1036679, 1352190, 1480970, 2073358, 2221455, 3110037, 4442910, 5183395, 6220074, 10366790, 15550185, 31100370]

約数ペア:

[(1, 31100370), (2, 15550185), (3, 10366790), (5, 6220074), (6, 5183395), (7, 4442910), (10, 3110037), (14, 2221455), (15, 2073358), (21, 1480970), (23, 1352190), (30, 1036679), (35, 888582), (42, 740485), (46, 676095), (47, 661710), (69, 450730), (70, 444291), (94, 330855), (105, 296194), (115, 270438), (137, 227010), (138, 225365), (141, 220570), (161, 193170), (210, 148097), (230, 135219), (235, 132342), (274, 113505), (282, 110285), (322, 96585), (329, 94530), (345, 90146), (411, 75670), (470, 66171), (483, 64390), (658, 47265), (685, 45402), (690, 45073), (705, 44114), (805, 38634), (822, 37835), (959, 32430), (966, 32195), (987, 31510), (1081, 28770), (1370, 22701), (1410, 22057), (1610, 19317), (1645, 18906), (1918, 16215), (1974, 15755), (2055, 15134), (2162, 14385), (2415, 12878), (2877, 10810), (3151, 9870), (3243, 9590), (3290, 9453), (4110, 7567), (4795, 6486), (4830, 6439), (4935, 6302), (5405, 5754)]