408916100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2593}}^1$

素因数の和:2709

約数の個数: 72

約数和(自身を含む): 945668640

約数和(自身を除く): 536752540

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 83, 95, 100, 166, 190, 332, 380, 415, 475, 830, 950, 1577, 1660, 1900, 2075, 2593, 3154, 4150, 5186, 6308, 7885, 8300, 10372, 12965, 15770, 25930, 31540, 39425, 49267, 51860, 64825, 78850, 98534, 129650, 157700, 197068, 215219, 246335, 259300, 430438, 492670, 860876, 985340, 1076095, 1231675, 2152190, 2463350, 4089161, 4304380, 4926700, 5380475, 8178322, 10760950, 16356644, 20445805, 21521900, 40891610, 81783220, 102229025, 204458050, 408916100]

約数ペア:

[(1, 408916100), (2, 204458050), (4, 102229025), (5, 81783220), (10, 40891610), (19, 21521900), (20, 20445805), (25, 16356644), (38, 10760950), (50, 8178322), (76, 5380475), (83, 4926700), (95, 4304380), (100, 4089161), (166, 2463350), (190, 2152190), (332, 1231675), (380, 1076095), (415, 985340), (475, 860876), (830, 492670), (950, 430438), (1577, 259300), (1660, 246335), (1900, 215219), (2075, 197068), (2593, 157700), (3154, 129650), (4150, 98534), (5186, 78850), (6308, 64825), (7885, 51860), (8300, 49267), (10372, 39425), (12965, 31540), (15770, 25930)]