506350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:85

約数の個数: 48

約数和(自身を含む): 1093680

約数和(自身を除く): 587330

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 41, 50, 65, 82, 95, 130, 190, 205, 247, 325, 410, 475, 494, 533, 650, 779, 950, 1025, 1066, 1235, 1558, 2050, 2470, 2665, 3895, 5330, 6175, 7790, 10127, 12350, 13325, 19475, 20254, 26650, 38950, 50635, 101270, 253175, 506350]

約数ペア:

[(1, 506350), (2, 253175), (5, 101270), (10, 50635), (13, 38950), (19, 26650), (25, 20254), (26, 19475), (38, 13325), (41, 12350), (50, 10127), (65, 7790), (82, 6175), (95, 5330), (130, 3895), (190, 2665), (205, 2470), (247, 2050), (325, 1558), (410, 1235), (475, 1066), (494, 1025), (533, 950), (650, 779)]