70820500

素因数分解:

$2^2\times 5^3\times {\mathrm{139}}^1\times {\mathrm{1019}}^1$

素因数の和:1177

約数の個数: 48

約数和(自身を含む): 155937600

約数和(自身を除く): 85117100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 139, 250, 278, 500, 556, 695, 1019, 1390, 2038, 2780, 3475, 4076, 5095, 6950, 10190, 13900, 17375, 20380, 25475, 34750, 50950, 69500, 101900, 127375, 141641, 254750, 283282, 509500, 566564, 708205, 1416410, 2832820, 3541025, 7082050, 14164100, 17705125, 35410250, 70820500]

約数ペア:

[(1, 70820500), (2, 35410250), (4, 17705125), (5, 14164100), (10, 7082050), (20, 3541025), (25, 2832820), (50, 1416410), (100, 708205), (125, 566564), (139, 509500), (250, 283282), (278, 254750), (500, 141641), (556, 127375), (695, 101900), (1019, 69500), (1390, 50950), (2038, 34750), (2780, 25475), (3475, 20380), (4076, 17375), (5095, 13900), (6950, 10190)]