1900496210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{409}}^1$

素因数の和:755

約数の個数: 64

約数和(自身を含む): 3634502400

約数和(自身を除く): 1734006190

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 227, 230, 409, 445, 454, 818, 890, 1135, 2045, 2047, 2270, 4090, 4094, 5221, 9407, 10235, 10442, 18814, 20203, 20470, 26105, 36401, 40406, 47035, 52210, 72802, 92843, 94070, 101015, 182005, 185686, 202030, 364010, 464215, 464669, 837223, 928430, 929338, 1674446, 2135389, 2323345, 4186115, 4270778, 4646690, 8263027, 8372230, 10676945, 16526054, 21353890, 41315135, 82630270, 190049621, 380099242, 950248105, 1900496210]

約数ペア:

[(1, 1900496210), (2, 950248105), (5, 380099242), (10, 190049621), (23, 82630270), (46, 41315135), (89, 21353890), (115, 16526054), (178, 10676945), (227, 8372230), (230, 8263027), (409, 4646690), (445, 4270778), (454, 4186115), (818, 2323345), (890, 2135389), (1135, 1674446), (2045, 929338), (2047, 928430), (2270, 837223), (4090, 464669), (4094, 464215), (5221, 364010), (9407, 202030), (10235, 185686), (10442, 182005), (18814, 101015), (20203, 94070), (20470, 92843), (26105, 72802), (36401, 52210), (40406, 47035)]