7903640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 19245600

約数和(自身を除く): 11341960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 197, 236, 295, 340, 394, 472, 590, 680, 788, 985, 1003, 1180, 1576, 1970, 2006, 2360, 3349, 3940, 4012, 5015, 6698, 7880, 8024, 10030, 11623, 13396, 16745, 20060, 23246, 26792, 33490, 40120, 46492, 58115, 66980, 92984, 116230, 133960, 197591, 232460, 395182, 464920, 790364, 987955, 1580728, 1975910, 3951820, 7903640]

約数ペア:

[(1, 7903640), (2, 3951820), (4, 1975910), (5, 1580728), (8, 987955), (10, 790364), (17, 464920), (20, 395182), (34, 232460), (40, 197591), (59, 133960), (68, 116230), (85, 92984), (118, 66980), (136, 58115), (170, 46492), (197, 40120), (236, 33490), (295, 26792), (340, 23246), (394, 20060), (472, 16745), (590, 13396), (680, 11623), (788, 10030), (985, 8024), (1003, 7880), (1180, 6698), (1576, 5015), (1970, 4012), (2006, 3940), (2360, 3349)]