78415400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{709}}^1$

素因数の和:811

約数の個数: 96

約数和(自身を含む): 211296000

約数和(自身を除く): 132880600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 79, 100, 140, 158, 175, 200, 280, 316, 350, 395, 553, 632, 700, 709, 790, 1106, 1400, 1418, 1580, 1975, 2212, 2765, 2836, 3160, 3545, 3950, 4424, 4963, 5530, 5672, 7090, 7900, 9926, 11060, 13825, 14180, 15800, 17725, 19852, 22120, 24815, 27650, 28360, 35450, 39704, 49630, 55300, 56011, 70900, 99260, 110600, 112022, 124075, 141800, 198520, 224044, 248150, 280055, 392077, 448088, 496300, 560110, 784154, 992600, 1120220, 1400275, 1568308, 1960385, 2240440, 2800550, 3136616, 3920770, 5601100, 7841540, 9801925, 11202200, 15683080, 19603850, 39207700, 78415400]

約数ペア:

[(1, 78415400), (2, 39207700), (4, 19603850), (5, 15683080), (7, 11202200), (8, 9801925), (10, 7841540), (14, 5601100), (20, 3920770), (25, 3136616), (28, 2800550), (35, 2240440), (40, 1960385), (50, 1568308), (56, 1400275), (70, 1120220), (79, 992600), (100, 784154), (140, 560110), (158, 496300), (175, 448088), (200, 392077), (280, 280055), (316, 248150), (350, 224044), (395, 198520), (553, 141800), (632, 124075), (700, 112022), (709, 110600), (790, 99260), (1106, 70900), (1400, 56011), (1418, 55300), (1580, 49630), (1975, 39704), (2212, 35450), (2765, 28360), (2836, 27650), (3160, 24815), (3545, 22120), (3950, 19852), (4424, 17725), (4963, 15800), (5530, 14180), (5672, 13825), (7090, 11060), (7900, 9926)]