229712140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{4133}}^1$

素因数の和:4546

約数の個数: 48

約数和(自身を含む): 552831552

約数和(自身を除く): 323119412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1588, 1985, 2779, 3970, 4133, 5558, 7940, 8266, 11116, 13895, 16532, 20665, 27790, 28931, 41330, 55580, 57862, 82660, 115724, 144655, 289310, 578620, 1640801, 3281602, 6563204, 8204005, 11485607, 16408010, 22971214, 32816020, 45942428, 57428035, 114856070, 229712140]

約数ペア:

[(1, 229712140), (2, 114856070), (4, 57428035), (5, 45942428), (7, 32816020), (10, 22971214), (14, 16408010), (20, 11485607), (28, 8204005), (35, 6563204), (70, 3281602), (140, 1640801), (397, 578620), (794, 289310), (1588, 144655), (1985, 115724), (2779, 82660), (3970, 57862), (4133, 55580), (5558, 41330), (7940, 28931), (8266, 27790), (11116, 20665), (13895, 16532)]