181135220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{3259}}^1$

素因数の和:3672

約数の個数: 48

約数和(自身を含む): 435953280

約数和(自身を除く): 254818060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1588, 1985, 2779, 3259, 3970, 5558, 6518, 7940, 11116, 13036, 13895, 16295, 22813, 27790, 32590, 45626, 55580, 65180, 91252, 114065, 228130, 456260, 1293823, 2587646, 5175292, 6469115, 9056761, 12938230, 18113522, 25876460, 36227044, 45283805, 90567610, 181135220]

約数ペア:

[(1, 181135220), (2, 90567610), (4, 45283805), (5, 36227044), (7, 25876460), (10, 18113522), (14, 12938230), (20, 9056761), (28, 6469115), (35, 5175292), (70, 2587646), (140, 1293823), (397, 456260), (794, 228130), (1588, 114065), (1985, 91252), (2779, 65180), (3259, 55580), (3970, 45626), (5558, 32590), (6518, 27790), (7940, 22813), (11116, 16295), (13036, 13895)]