99902180

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{14563}}^1$

素因数の和:14593

約数の個数: 48

約数和(自身を含む): 244675200

約数和(自身を除く): 144773020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 14563, 29126, 58252, 72815, 101941, 145630, 203882, 291260, 407764, 509705, 713587, 1019410, 1427174, 2038820, 2854348, 3567935, 4995109, 7135870, 9990218, 14271740, 19980436, 24975545, 49951090, 99902180]

約数ペア:

[(1, 99902180), (2, 49951090), (4, 24975545), (5, 19980436), (7, 14271740), (10, 9990218), (14, 7135870), (20, 4995109), (28, 3567935), (35, 2854348), (49, 2038820), (70, 1427174), (98, 1019410), (140, 713587), (196, 509705), (245, 407764), (343, 291260), (490, 203882), (686, 145630), (980, 101941), (1372, 72815), (1715, 58252), (3430, 29126), (6860, 14563)]