181640600

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{21121}}^1$

素因数の和:21180

約数の個数: 48

約数和(自身を含む): 432156120

約数和(自身を除く): 250515520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 4300, 8600, 21121, 42242, 84484, 105605, 168968, 211210, 422420, 528025, 844840, 908203, 1056050, 1816406, 2112100, 3632812, 4224200, 4541015, 7265624, 9082030, 18164060, 22705075, 36328120, 45410150, 90820300, 181640600]

約数ペア:

[(1, 181640600), (2, 90820300), (4, 45410150), (5, 36328120), (8, 22705075), (10, 18164060), (20, 9082030), (25, 7265624), (40, 4541015), (43, 4224200), (50, 3632812), (86, 2112100), (100, 1816406), (172, 1056050), (200, 908203), (215, 844840), (344, 528025), (430, 422420), (860, 211210), (1075, 168968), (1720, 105605), (2150, 84484), (4300, 42242), (8600, 21121)]