400941100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1367}}^1$

素因数の和:1807

約数の個数: 72

約数和(自身を含む): 997436160

約数和(自身を除く): 596495060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 419, 700, 838, 1367, 1676, 2095, 2734, 2933, 4190, 5468, 5866, 6835, 8380, 9569, 10475, 11732, 13670, 14665, 19138, 20950, 27340, 29330, 34175, 38276, 41900, 47845, 58660, 68350, 73325, 95690, 136700, 146650, 191380, 239225, 293300, 478450, 572773, 956900, 1145546, 2291092, 2863865, 4009411, 5727730, 8018822, 11455460, 14319325, 16037644, 20047055, 28638650, 40094110, 57277300, 80188220, 100235275, 200470550, 400941100]

約数ペア:

[(1, 400941100), (2, 200470550), (4, 100235275), (5, 80188220), (7, 57277300), (10, 40094110), (14, 28638650), (20, 20047055), (25, 16037644), (28, 14319325), (35, 11455460), (50, 8018822), (70, 5727730), (100, 4009411), (140, 2863865), (175, 2291092), (350, 1145546), (419, 956900), (700, 572773), (838, 478450), (1367, 293300), (1676, 239225), (2095, 191380), (2734, 146650), (2933, 136700), (4190, 95690), (5468, 73325), (5866, 68350), (6835, 58660), (8380, 47845), (9569, 41900), (10475, 38276), (11732, 34175), (13670, 29330), (14665, 27340), (19138, 20950)]