12630730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 26778600

約数和(自身を除く): 14147870

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 149, 173, 245, 298, 346, 490, 745, 865, 1043, 1211, 1490, 1730, 2086, 2422, 5215, 6055, 7301, 8477, 10430, 12110, 14602, 16954, 25777, 36505, 42385, 51554, 73010, 84770, 128885, 180439, 257770, 360878, 902195, 1263073, 1804390, 2526146, 6315365, 12630730]

約数ペア:

[(1, 12630730), (2, 6315365), (5, 2526146), (7, 1804390), (10, 1263073), (14, 902195), (35, 360878), (49, 257770), (70, 180439), (98, 128885), (149, 84770), (173, 73010), (245, 51554), (298, 42385), (346, 36505), (490, 25777), (745, 16954), (865, 14602), (1043, 12110), (1211, 10430), (1490, 8477), (1730, 7301), (2086, 6055), (2422, 5215)]