2981860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 7680960

約数和(自身を除く): 4699100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 59, 70, 76, 95, 118, 133, 140, 190, 236, 266, 295, 361, 380, 413, 532, 590, 665, 722, 826, 1121, 1180, 1330, 1444, 1652, 1805, 2065, 2242, 2527, 2660, 3610, 4130, 4484, 5054, 5605, 7220, 7847, 8260, 10108, 11210, 12635, 15694, 21299, 22420, 25270, 31388, 39235, 42598, 50540, 78470, 85196, 106495, 149093, 156940, 212990, 298186, 425980, 596372, 745465, 1490930, 2981860]

約数ペア:

[(1, 2981860), (2, 1490930), (4, 745465), (5, 596372), (7, 425980), (10, 298186), (14, 212990), (19, 156940), (20, 149093), (28, 106495), (35, 85196), (38, 78470), (59, 50540), (70, 42598), (76, 39235), (95, 31388), (118, 25270), (133, 22420), (140, 21299), (190, 15694), (236, 12635), (266, 11210), (295, 10108), (361, 8260), (380, 7847), (413, 7220), (532, 5605), (590, 5054), (665, 4484), (722, 4130), (826, 3610), (1121, 2660), (1180, 2527), (1330, 2242), (1444, 2065), (1652, 1805)]