393707440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{22679}}^1$

素因数の和:22730

約数の個数: 80

約数和(自身を含む): 1079930880

約数和(自身を除く): 686223440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 22679, 45358, 90716, 113395, 158753, 181432, 226790, 317506, 362864, 453580, 635012, 703049, 793765, 907160, 1270024, 1406098, 1587530, 1814320, 2540048, 2812196, 3175060, 3515245, 4921343, 5624392, 6350120, 7030490, 9842686, 11248784, 12700240, 14060980, 19685372, 24606715, 28121960, 39370744, 49213430, 56243920, 78741488, 98426860, 196853720, 393707440]

約数ペア:

[(1, 393707440), (2, 196853720), (4, 98426860), (5, 78741488), (7, 56243920), (8, 49213430), (10, 39370744), (14, 28121960), (16, 24606715), (20, 19685372), (28, 14060980), (31, 12700240), (35, 11248784), (40, 9842686), (56, 7030490), (62, 6350120), (70, 5624392), (80, 4921343), (112, 3515245), (124, 3175060), (140, 2812196), (155, 2540048), (217, 1814320), (248, 1587530), (280, 1406098), (310, 1270024), (434, 907160), (496, 793765), (560, 703049), (620, 635012), (868, 453580), (1085, 362864), (1240, 317506), (1736, 226790), (2170, 181432), (2480, 158753), (3472, 113395), (4340, 90716), (8680, 45358), (17360, 22679)]