1488893380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{440501}}^1$

素因数の和:440536

約数の個数: 36

約数和(自身を含む): 3385698372

約数和(自身を除く): 1896804992

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 440501, 881002, 1762004, 2202505, 4405010, 5726513, 8810020, 11453026, 22906052, 28632565, 57265130, 74444669, 114530260, 148889338, 297778676, 372223345, 744446690, 1488893380]

約数ペア:

[(1, 1488893380), (2, 744446690), (4, 372223345), (5, 297778676), (10, 148889338), (13, 114530260), (20, 74444669), (26, 57265130), (52, 28632565), (65, 22906052), (130, 11453026), (169, 8810020), (260, 5726513), (338, 4405010), (676, 2202505), (845, 1762004), (1690, 881002), (3380, 440501)]