393061250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:441

約数の個数: 80

約数和(自身を含む): 797088600

約数和(自身を除く): 404027350

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 53, 85, 106, 125, 170, 250, 265, 349, 425, 530, 625, 698, 850, 901, 1250, 1325, 1745, 1802, 2125, 2650, 3490, 4250, 4505, 5933, 6625, 8725, 9010, 10625, 11866, 13250, 17450, 18497, 21250, 22525, 29665, 33125, 36994, 43625, 45050, 59330, 66250, 87250, 92485, 112625, 148325, 184970, 218125, 225250, 296650, 314449, 436250, 462425, 563125, 628898, 741625, 924850, 1126250, 1483250, 1572245, 2312125, 3144490, 3708125, 4624250, 7416250, 7861225, 11560625, 15722450, 23121250, 39306125, 78612250, 196530625, 393061250]

約数ペア:

[(1, 393061250), (2, 196530625), (5, 78612250), (10, 39306125), (17, 23121250), (25, 15722450), (34, 11560625), (50, 7861225), (53, 7416250), (85, 4624250), (106, 3708125), (125, 3144490), (170, 2312125), (250, 1572245), (265, 1483250), (349, 1126250), (425, 924850), (530, 741625), (625, 628898), (698, 563125), (850, 462425), (901, 436250), (1250, 314449), (1325, 296650), (1745, 225250), (1802, 218125), (2125, 184970), (2650, 148325), (3490, 112625), (4250, 92485), (4505, 87250), (5933, 66250), (6625, 59330), (8725, 45050), (9010, 43625), (10625, 36994), (11866, 33125), (13250, 29665), (17450, 22525), (18497, 21250)]