29995220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 66261888

約数和(自身を除く): 36266668

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 197, 230, 331, 394, 460, 662, 788, 985, 1324, 1655, 1970, 3310, 3940, 4531, 6620, 7613, 9062, 15226, 18124, 22655, 30452, 38065, 45310, 65207, 76130, 90620, 130414, 152260, 260828, 326035, 652070, 1304140, 1499761, 2999522, 5999044, 7498805, 14997610, 29995220]

約数ペア:

[(1, 29995220), (2, 14997610), (4, 7498805), (5, 5999044), (10, 2999522), (20, 1499761), (23, 1304140), (46, 652070), (92, 326035), (115, 260828), (197, 152260), (230, 130414), (331, 90620), (394, 76130), (460, 65207), (662, 45310), (788, 38065), (985, 30452), (1324, 22655), (1655, 18124), (1970, 15226), (3310, 9062), (3940, 7613), (4531, 6620)]