399616750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2999}}^1$

素因数の和:3070

約数の個数: 64

約数和(自身を含む): 825552000

約数和(自身を除く): 425935250

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 125, 130, 205, 250, 325, 410, 533, 650, 1025, 1066, 1625, 2050, 2665, 2999, 3250, 5125, 5330, 5998, 10250, 13325, 14995, 26650, 29990, 38987, 66625, 74975, 77974, 122959, 133250, 149950, 194935, 245918, 374875, 389870, 614795, 749750, 974675, 1229590, 1598467, 1949350, 3073975, 3196934, 4873375, 6147950, 7992335, 9746750, 15369875, 15984670, 30739750, 39961675, 79923350, 199808375, 399616750]

約数ペア:

[(1, 399616750), (2, 199808375), (5, 79923350), (10, 39961675), (13, 30739750), (25, 15984670), (26, 15369875), (41, 9746750), (50, 7992335), (65, 6147950), (82, 4873375), (125, 3196934), (130, 3073975), (205, 1949350), (250, 1598467), (325, 1229590), (410, 974675), (533, 749750), (650, 614795), (1025, 389870), (1066, 374875), (1625, 245918), (2050, 194935), (2665, 149950), (2999, 133250), (3250, 122959), (5125, 77974), (5330, 74975), (5998, 66625), (10250, 38987), (13325, 29990), (14995, 26650)]