1385800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1$

素因数の和:83

約数の個数: 72

約数和(自身を含む): 3573990

約数和(自身を除く): 2188190

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 41, 50, 52, 65, 82, 100, 104, 130, 164, 169, 200, 205, 260, 325, 328, 338, 410, 520, 533, 650, 676, 820, 845, 1025, 1066, 1300, 1352, 1640, 1690, 2050, 2132, 2600, 2665, 3380, 4100, 4225, 4264, 5330, 6760, 6929, 8200, 8450, 10660, 13325, 13858, 16900, 21320, 26650, 27716, 33800, 34645, 53300, 55432, 69290, 106600, 138580, 173225, 277160, 346450, 692900, 1385800]

約数ペア:

[(1, 1385800), (2, 692900), (4, 346450), (5, 277160), (8, 173225), (10, 138580), (13, 106600), (20, 69290), (25, 55432), (26, 53300), (40, 34645), (41, 33800), (50, 27716), (52, 26650), (65, 21320), (82, 16900), (100, 13858), (104, 13325), (130, 10660), (164, 8450), (169, 8200), (200, 6929), (205, 6760), (260, 5330), (325, 4264), (328, 4225), (338, 4100), (410, 3380), (520, 2665), (533, 2600), (650, 2132), (676, 2050), (820, 1690), (845, 1640), (1025, 1352), (1066, 1300)]