1330277660

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{15901}}^1$

素因数の和:16046

約数の個数: 48

約数和(自身を含む): 2885258880

約数和(自身を除く): 1554981220

約数列:

[1, 2, 4, 5, 10, 20, 47, 89, 94, 178, 188, 235, 356, 445, 470, 890, 940, 1780, 4183, 8366, 15901, 16732, 20915, 31802, 41830, 63604, 79505, 83660, 159010, 318020, 747347, 1415189, 1494694, 2830378, 2989388, 3736735, 5660756, 7075945, 7473470, 14151890, 14946940, 28303780, 66513883, 133027766, 266055532, 332569415, 665138830, 1330277660]

約数ペア:

[(1, 1330277660), (2, 665138830), (4, 332569415), (5, 266055532), (10, 133027766), (20, 66513883), (47, 28303780), (89, 14946940), (94, 14151890), (178, 7473470), (188, 7075945), (235, 5660756), (356, 3736735), (445, 2989388), (470, 2830378), (890, 1494694), (940, 1415189), (1780, 747347), (4183, 318020), (8366, 159010), (15901, 83660), (16732, 79505), (20915, 63604), (31802, 41830)]