153957460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{983}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 333268992

約数和(自身を除く): 179311532

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 191, 205, 382, 410, 764, 820, 955, 983, 1910, 1966, 3820, 3932, 4915, 7831, 9830, 15662, 19660, 31324, 39155, 40303, 78310, 80606, 156620, 161212, 187753, 201515, 375506, 403030, 751012, 806060, 938765, 1877530, 3755060, 7697873, 15395746, 30791492, 38489365, 76978730, 153957460]

約数ペア:

[(1, 153957460), (2, 76978730), (4, 38489365), (5, 30791492), (10, 15395746), (20, 7697873), (41, 3755060), (82, 1877530), (164, 938765), (191, 806060), (205, 751012), (382, 403030), (410, 375506), (764, 201515), (820, 187753), (955, 161212), (983, 156620), (1910, 80606), (1966, 78310), (3820, 40303), (3932, 39155), (4915, 31324), (7831, 19660), (9830, 15662)]