38628100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 96729920

約数和(自身を除く): 58101820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 139, 140, 175, 278, 350, 397, 556, 695, 700, 794, 973, 1390, 1588, 1946, 1985, 2779, 2780, 3475, 3892, 3970, 4865, 5558, 6950, 7940, 9730, 9925, 11116, 13895, 13900, 19460, 19850, 24325, 27790, 39700, 48650, 55183, 55580, 69475, 97300, 110366, 138950, 220732, 275915, 277900, 386281, 551830, 772562, 1103660, 1379575, 1545124, 1931405, 2759150, 3862810, 5518300, 7725620, 9657025, 19314050, 38628100]

約数ペア:

[(1, 38628100), (2, 19314050), (4, 9657025), (5, 7725620), (7, 5518300), (10, 3862810), (14, 2759150), (20, 1931405), (25, 1545124), (28, 1379575), (35, 1103660), (50, 772562), (70, 551830), (100, 386281), (139, 277900), (140, 275915), (175, 220732), (278, 138950), (350, 110366), (397, 97300), (556, 69475), (695, 55580), (700, 55183), (794, 48650), (973, 39700), (1390, 27790), (1588, 24325), (1946, 19850), (1985, 19460), (2779, 13900), (2780, 13895), (3475, 11116), (3892, 9925), (3970, 9730), (4865, 7940), (5558, 6950)]