82880420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2477}}^1$

素因数の和:2732

約数の個数: 48

約数和(自身を含む): 199825920

約数和(自身を除く): 116945500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1673, 2390, 2477, 3346, 4780, 4954, 6692, 8365, 9908, 12385, 16730, 17339, 24770, 33460, 34678, 49540, 69356, 86695, 173390, 346780, 592003, 1184006, 2368012, 2960015, 4144021, 5920030, 8288042, 11840060, 16576084, 20720105, 41440210, 82880420]

約数ペア:

[(1, 82880420), (2, 41440210), (4, 20720105), (5, 16576084), (7, 11840060), (10, 8288042), (14, 5920030), (20, 4144021), (28, 2960015), (35, 2368012), (70, 1184006), (140, 592003), (239, 346780), (478, 173390), (956, 86695), (1195, 69356), (1673, 49540), (2390, 34678), (2477, 33460), (3346, 24770), (4780, 17339), (4954, 16730), (6692, 12385), (8365, 9908)]