738891440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{1861}}^1$

素因数の和:2590

約数の個数: 80

約数和(自身を含む): 1967165760

約数和(自身を除く): 1228274320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 709, 1418, 1861, 2836, 3545, 3722, 4963, 5672, 7090, 7444, 9305, 9926, 11344, 13027, 14180, 14888, 18610, 19852, 24815, 26054, 28360, 29776, 37220, 39704, 49630, 52108, 56720, 65135, 74440, 79408, 99260, 104216, 130270, 148880, 198520, 208432, 260540, 397040, 521080, 1042160, 1319449, 2638898, 5277796, 6597245, 9236143, 10555592, 13194490, 18472286, 21111184, 26388980, 36944572, 46180715, 52777960, 73889144, 92361430, 105555920, 147778288, 184722860, 369445720, 738891440]

約数ペア:

[(1, 738891440), (2, 369445720), (4, 184722860), (5, 147778288), (7, 105555920), (8, 92361430), (10, 73889144), (14, 52777960), (16, 46180715), (20, 36944572), (28, 26388980), (35, 21111184), (40, 18472286), (56, 13194490), (70, 10555592), (80, 9236143), (112, 6597245), (140, 5277796), (280, 2638898), (560, 1319449), (709, 1042160), (1418, 521080), (1861, 397040), (2836, 260540), (3545, 208432), (3722, 198520), (4963, 148880), (5672, 130270), (7090, 104216), (7444, 99260), (9305, 79408), (9926, 74440), (11344, 65135), (13027, 56720), (14180, 52108), (14888, 49630), (18610, 39704), (19852, 37220), (24815, 29776), (26054, 28360)]