90845860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 230791680

約数和(自身を除く): 139945820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 89, 92, 115, 140, 161, 178, 230, 317, 322, 356, 445, 460, 623, 634, 644, 805, 890, 1246, 1268, 1585, 1610, 1780, 2047, 2219, 2492, 3115, 3170, 3220, 4094, 4438, 6230, 6340, 7291, 8188, 8876, 10235, 11095, 12460, 14329, 14582, 20470, 22190, 28213, 28658, 29164, 36455, 40940, 44380, 51037, 56426, 57316, 71645, 72910, 102074, 112852, 141065, 143290, 145820, 197491, 204148, 255185, 282130, 286580, 394982, 510370, 564260, 648899, 789964, 987455, 1020740, 1297798, 1974910, 2595596, 3244495, 3949820, 4542293, 6488990, 9084586, 12977980, 18169172, 22711465, 45422930, 90845860]

約数ペア:

[(1, 90845860), (2, 45422930), (4, 22711465), (5, 18169172), (7, 12977980), (10, 9084586), (14, 6488990), (20, 4542293), (23, 3949820), (28, 3244495), (35, 2595596), (46, 1974910), (70, 1297798), (89, 1020740), (92, 987455), (115, 789964), (140, 648899), (161, 564260), (178, 510370), (230, 394982), (317, 286580), (322, 282130), (356, 255185), (445, 204148), (460, 197491), (623, 145820), (634, 143290), (644, 141065), (805, 112852), (890, 102074), (1246, 72910), (1268, 71645), (1585, 57316), (1610, 56426), (1780, 51037), (2047, 44380), (2219, 40940), (2492, 36455), (3115, 29164), (3170, 28658), (3220, 28213), (4094, 22190), (4438, 20470), (6230, 14582), (6340, 14329), (7291, 12460), (8188, 11095), (8876, 10235)]