378989720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{1213}}^1$

素因数の和:1404

約数の個数: 64

約数和(自身を含む): 873205920

約数和(自身を除く): 494216200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 107, 146, 214, 292, 365, 428, 535, 584, 730, 856, 1070, 1213, 1460, 2140, 2426, 2920, 4280, 4852, 6065, 7811, 9704, 12130, 15622, 24260, 31244, 39055, 48520, 62488, 78110, 88549, 129791, 156220, 177098, 259582, 312440, 354196, 442745, 519164, 648955, 708392, 885490, 1038328, 1297910, 1770980, 2595820, 3541960, 5191640, 9474743, 18949486, 37898972, 47373715, 75797944, 94747430, 189494860, 378989720]

約数ペア:

[(1, 378989720), (2, 189494860), (4, 94747430), (5, 75797944), (8, 47373715), (10, 37898972), (20, 18949486), (40, 9474743), (73, 5191640), (107, 3541960), (146, 2595820), (214, 1770980), (292, 1297910), (365, 1038328), (428, 885490), (535, 708392), (584, 648955), (730, 519164), (856, 442745), (1070, 354196), (1213, 312440), (1460, 259582), (2140, 177098), (2426, 156220), (2920, 129791), (4280, 88549), (4852, 78110), (6065, 62488), (7811, 48520), (9704, 39055), (12130, 31244), (15622, 24260)]