253638280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{29221}}^1$

素因数の和:29270

約数の個数: 64

約数和(自身を含む): 673274880

約数和(自身を除く): 419636600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 29221, 58442, 116884, 146105, 204547, 233768, 292210, 409094, 584420, 818188, 905851, 1022735, 1168840, 1636376, 1811702, 2045470, 3623404, 4090940, 4529255, 6340957, 7246808, 8181880, 9058510, 12681914, 18117020, 25363828, 31704785, 36234040, 50727656, 63409570, 126819140, 253638280]

約数ペア:

[(1, 253638280), (2, 126819140), (4, 63409570), (5, 50727656), (7, 36234040), (8, 31704785), (10, 25363828), (14, 18117020), (20, 12681914), (28, 9058510), (31, 8181880), (35, 7246808), (40, 6340957), (56, 4529255), (62, 4090940), (70, 3623404), (124, 2045470), (140, 1811702), (155, 1636376), (217, 1168840), (248, 1022735), (280, 905851), (310, 818188), (434, 584420), (620, 409094), (868, 292210), (1085, 233768), (1240, 204547), (1736, 146105), (2170, 116884), (4340, 58442), (8680, 29221)]