253139900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{194723}}^1$

素因数の和:194750

約数の個数: 36

約数和(自身を含む): 591571512

約数和(自身を除く): 338431612

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 194723, 389446, 778892, 973615, 1947230, 2531399, 3894460, 4868075, 5062798, 9736150, 10125596, 12656995, 19472300, 25313990, 50627980, 63284975, 126569950, 253139900]

約数ペア:

[(1, 253139900), (2, 126569950), (4, 63284975), (5, 50627980), (10, 25313990), (13, 19472300), (20, 12656995), (25, 10125596), (26, 9736150), (50, 5062798), (52, 4868075), (65, 3894460), (100, 2531399), (130, 1947230), (260, 973615), (325, 778892), (650, 389446), (1300, 194723)]