189584840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{3253}}^1$

素因数の和:3342

約数の個数: 64

約数和(自身を含む): 449832960

約数和(自身を除く): 260248120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 620, 940, 1240, 1457, 1880, 2914, 3253, 5828, 6506, 7285, 11656, 13012, 14570, 16265, 26024, 29140, 32530, 58280, 65060, 100843, 130120, 152891, 201686, 305782, 403372, 504215, 611564, 764455, 806744, 1008430, 1223128, 1528910, 2016860, 3057820, 4033720, 4739621, 6115640, 9479242, 18958484, 23698105, 37916968, 47396210, 94792420, 189584840]

約数ペア:

[(1, 189584840), (2, 94792420), (4, 47396210), (5, 37916968), (8, 23698105), (10, 18958484), (20, 9479242), (31, 6115640), (40, 4739621), (47, 4033720), (62, 3057820), (94, 2016860), (124, 1528910), (155, 1223128), (188, 1008430), (235, 806744), (248, 764455), (310, 611564), (376, 504215), (470, 403372), (620, 305782), (940, 201686), (1240, 152891), (1457, 130120), (1880, 100843), (2914, 65060), (3253, 58280), (5828, 32530), (6506, 29140), (7285, 26024), (11656, 16265), (13012, 14570)]