99265180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{509}}^1$

素因数の和:731

約数の個数: 72

約数和(自身を含む): 244188000

約数和(自身を除く): 144922820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 199, 245, 398, 490, 509, 796, 980, 995, 1018, 1393, 1990, 2036, 2545, 2786, 3563, 3980, 5090, 5572, 6965, 7126, 9751, 10180, 13930, 14252, 17815, 19502, 24941, 27860, 35630, 39004, 48755, 49882, 71260, 97510, 99764, 101291, 124705, 195020, 202582, 249410, 405164, 498820, 506455, 709037, 1012910, 1418074, 2025820, 2836148, 3545185, 4963259, 7090370, 9926518, 14180740, 19853036, 24816295, 49632590, 99265180]

約数ペア:

[(1, 99265180), (2, 49632590), (4, 24816295), (5, 19853036), (7, 14180740), (10, 9926518), (14, 7090370), (20, 4963259), (28, 3545185), (35, 2836148), (49, 2025820), (70, 1418074), (98, 1012910), (140, 709037), (196, 506455), (199, 498820), (245, 405164), (398, 249410), (490, 202582), (509, 195020), (796, 124705), (980, 101291), (995, 99764), (1018, 97510), (1393, 71260), (1990, 49882), (2036, 48755), (2545, 39004), (2786, 35630), (3563, 27860), (3980, 24941), (5090, 19502), (5572, 17815), (6965, 14252), (7126, 13930), (9751, 10180)]