266600

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 48

約数和(自身を含む): 654720

約数和(自身を除く): 388120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 43, 50, 62, 86, 100, 124, 155, 172, 200, 215, 248, 310, 344, 430, 620, 775, 860, 1075, 1240, 1333, 1550, 1720, 2150, 2666, 3100, 4300, 5332, 6200, 6665, 8600, 10664, 13330, 26660, 33325, 53320, 66650, 133300, 266600]

約数ペア:

[(1, 266600), (2, 133300), (4, 66650), (5, 53320), (8, 33325), (10, 26660), (20, 13330), (25, 10664), (31, 8600), (40, 6665), (43, 6200), (50, 5332), (62, 4300), (86, 3100), (100, 2666), (124, 2150), (155, 1720), (172, 1550), (200, 1333), (215, 1240), (248, 1075), (310, 860), (344, 775), (430, 620)]