409156670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 814375296

約数和(自身を除く): 405218626

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 97, 130, 142, 194, 355, 457, 485, 710, 914, 923, 970, 1261, 1846, 2285, 2522, 4570, 4615, 5941, 6305, 6887, 9230, 11882, 12610, 13774, 29705, 32447, 34435, 44329, 59410, 64894, 68870, 88658, 89531, 162235, 179062, 221645, 324470, 421811, 443290, 447655, 576277, 843622, 895310, 1152554, 2109055, 2881385, 3147359, 4218110, 5762770, 6294718, 15736795, 31473590, 40915667, 81831334, 204578335, 409156670]

約数ペア:

[(1, 409156670), (2, 204578335), (5, 81831334), (10, 40915667), (13, 31473590), (26, 15736795), (65, 6294718), (71, 5762770), (97, 4218110), (130, 3147359), (142, 2881385), (194, 2109055), (355, 1152554), (457, 895310), (485, 843622), (710, 576277), (914, 447655), (923, 443290), (970, 421811), (1261, 324470), (1846, 221645), (2285, 179062), (2522, 162235), (4570, 89531), (4615, 88658), (5941, 68870), (6305, 64894), (6887, 59410), (9230, 44329), (11882, 34435), (12610, 32447), (13774, 29705)]