189305840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{76333}}^1$

素因数の和:76377

約数の個数: 40

約数和(自身を含む): 454339968

約数和(自身を除く): 265034128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 76333, 152666, 305332, 381665, 610664, 763330, 1221328, 1526660, 2366323, 3053320, 4732646, 6106640, 9465292, 11831615, 18930584, 23663230, 37861168, 47326460, 94652920, 189305840]

約数ペア:

[(1, 189305840), (2, 94652920), (4, 47326460), (5, 37861168), (8, 23663230), (10, 18930584), (16, 11831615), (20, 9465292), (31, 6106640), (40, 4732646), (62, 3053320), (80, 2366323), (124, 1526660), (155, 1221328), (248, 763330), (310, 610664), (496, 381665), (620, 305332), (1240, 152666), (2480, 76333)]