64198820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{601}}^1$

素因数の和:733

約数の個数: 72

約数和(自身を含む): 158530680

約数和(自身を除く): 94331860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 436, 490, 545, 601, 763, 980, 1090, 1202, 1526, 2180, 2404, 3005, 3052, 3815, 4207, 5341, 6010, 7630, 8414, 10682, 12020, 15260, 16828, 21035, 21364, 26705, 29449, 42070, 53410, 58898, 65509, 84140, 106820, 117796, 131018, 147245, 262036, 294490, 327545, 458563, 588980, 655090, 917126, 1310180, 1834252, 2292815, 3209941, 4585630, 6419882, 9171260, 12839764, 16049705, 32099410, 64198820]

約数ペア:

[(1, 64198820), (2, 32099410), (4, 16049705), (5, 12839764), (7, 9171260), (10, 6419882), (14, 4585630), (20, 3209941), (28, 2292815), (35, 1834252), (49, 1310180), (70, 917126), (98, 655090), (109, 588980), (140, 458563), (196, 327545), (218, 294490), (245, 262036), (436, 147245), (490, 131018), (545, 117796), (601, 106820), (763, 84140), (980, 65509), (1090, 58898), (1202, 53410), (1526, 42070), (2180, 29449), (2404, 26705), (3005, 21364), (3052, 21035), (3815, 16828), (4207, 15260), (5341, 12020), (6010, 10682), (7630, 8414)]