222496260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{75679}}^1$

素因数の和:75705

約数の個数: 72

約数和(自身を含む): 724711680

約数和(自身を除く): 502215420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 75679, 151358, 227037, 302716, 378395, 454074, 529753, 756790, 908148, 1059506, 1135185, 1513580, 1589259, 2119012, 2270370, 2648765, 3178518, 3708271, 4540740, 5297530, 6357036, 7416542, 7946295, 10595060, 11124813, 14833084, 15892590, 18541355, 22249626, 31785180, 37082710, 44499252, 55624065, 74165420, 111248130, 222496260]

約数ペア:

[(1, 222496260), (2, 111248130), (3, 74165420), (4, 55624065), (5, 44499252), (6, 37082710), (7, 31785180), (10, 22249626), (12, 18541355), (14, 15892590), (15, 14833084), (20, 11124813), (21, 10595060), (28, 7946295), (30, 7416542), (35, 6357036), (42, 5297530), (49, 4540740), (60, 3708271), (70, 3178518), (84, 2648765), (98, 2270370), (105, 2119012), (140, 1589259), (147, 1513580), (196, 1135185), (210, 1059506), (245, 908148), (294, 756790), (420, 529753), (490, 454074), (588, 378395), (735, 302716), (980, 227037), (1470, 151358), (2940, 75679)]