248864980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{136739}}^1$

素因数の和:136768

約数の個数: 48

約数和(自身を含む): 643224960

約数和(自身を除く): 394359980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 136739, 273478, 546956, 683695, 957173, 1367390, 1777607, 1914346, 2734780, 3555214, 3828692, 4785865, 7110428, 8888035, 9571730, 12443249, 17776070, 19143460, 24886498, 35552140, 49772996, 62216245, 124432490, 248864980]

約数ペア:

[(1, 248864980), (2, 124432490), (4, 62216245), (5, 49772996), (7, 35552140), (10, 24886498), (13, 19143460), (14, 17776070), (20, 12443249), (26, 9571730), (28, 8888035), (35, 7110428), (52, 4785865), (65, 3828692), (70, 3555214), (91, 2734780), (130, 1914346), (140, 1777607), (182, 1367390), (260, 957173), (364, 683695), (455, 546956), (910, 273478), (1820, 136739)]