348977360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1873}}^1$

素因数の和:2040

約数の個数: 80

約数和(自身を含む): 865832976

約数和(自身を除く): 516855616

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 137, 170, 272, 274, 340, 548, 680, 685, 1096, 1360, 1370, 1873, 2192, 2329, 2740, 3746, 4658, 5480, 7492, 9316, 9365, 10960, 11645, 14984, 18632, 18730, 23290, 29968, 31841, 37264, 37460, 46580, 63682, 74920, 93160, 127364, 149840, 159205, 186320, 254728, 256601, 318410, 509456, 513202, 636820, 1026404, 1273640, 1283005, 2052808, 2547280, 2566010, 4105616, 4362217, 5132020, 8724434, 10264040, 17448868, 20528080, 21811085, 34897736, 43622170, 69795472, 87244340, 174488680, 348977360]

約数ペア:

[(1, 348977360), (2, 174488680), (4, 87244340), (5, 69795472), (8, 43622170), (10, 34897736), (16, 21811085), (17, 20528080), (20, 17448868), (34, 10264040), (40, 8724434), (68, 5132020), (80, 4362217), (85, 4105616), (136, 2566010), (137, 2547280), (170, 2052808), (272, 1283005), (274, 1273640), (340, 1026404), (548, 636820), (680, 513202), (685, 509456), (1096, 318410), (1360, 256601), (1370, 254728), (1873, 186320), (2192, 159205), (2329, 149840), (2740, 127364), (3746, 93160), (4658, 74920), (5480, 63682), (7492, 46580), (9316, 37460), (9365, 37264), (10960, 31841), (11645, 29968), (14984, 23290), (18632, 18730)]