77672800

素因数分解:

$2^5\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1229}}^1$

素因数の和:1328

約数の個数: 72

約数和(自身を含む): 192175200

約数和(自身を除く): 114502400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 158, 160, 200, 316, 395, 400, 632, 790, 800, 1229, 1264, 1580, 1975, 2458, 2528, 3160, 3950, 4916, 6145, 6320, 7900, 9832, 12290, 12640, 15800, 19664, 24580, 30725, 31600, 39328, 49160, 61450, 63200, 97091, 98320, 122900, 194182, 196640, 245800, 388364, 485455, 491600, 776728, 970910, 983200, 1553456, 1941820, 2427275, 3106912, 3883640, 4854550, 7767280, 9709100, 15534560, 19418200, 38836400, 77672800]

約数ペア:

[(1, 77672800), (2, 38836400), (4, 19418200), (5, 15534560), (8, 9709100), (10, 7767280), (16, 4854550), (20, 3883640), (25, 3106912), (32, 2427275), (40, 1941820), (50, 1553456), (79, 983200), (80, 970910), (100, 776728), (158, 491600), (160, 485455), (200, 388364), (316, 245800), (395, 196640), (400, 194182), (632, 122900), (790, 98320), (800, 97091), (1229, 63200), (1264, 61450), (1580, 49160), (1975, 39328), (2458, 31600), (2528, 30725), (3160, 24580), (3950, 19664), (4916, 15800), (6145, 12640), (6320, 12290), (7900, 9832)]