1333000

素因数分解:

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

素因数の和:95

約数の個数: 64

約数和(自身を含む): 3294720

約数和(自身を除く): 1961720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 43, 50, 62, 86, 100, 124, 125, 155, 172, 200, 215, 248, 250, 310, 344, 430, 500, 620, 775, 860, 1000, 1075, 1240, 1333, 1550, 1720, 2150, 2666, 3100, 3875, 4300, 5332, 5375, 6200, 6665, 7750, 8600, 10664, 10750, 13330, 15500, 21500, 26660, 31000, 33325, 43000, 53320, 66650, 133300, 166625, 266600, 333250, 666500, 1333000]

約数ペア:

[(1, 1333000), (2, 666500), (4, 333250), (5, 266600), (8, 166625), (10, 133300), (20, 66650), (25, 53320), (31, 43000), (40, 33325), (43, 31000), (50, 26660), (62, 21500), (86, 15500), (100, 13330), (124, 10750), (125, 10664), (155, 8600), (172, 7750), (200, 6665), (215, 6200), (248, 5375), (250, 5332), (310, 4300), (344, 3875), (430, 3100), (500, 2666), (620, 2150), (775, 1720), (860, 1550), (1000, 1333), (1075, 1240)]