2191665420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1739417}}^1$

素因数の和:1739439

約数の個数: 72

約数和(自身を含む): 7597777824

約数和(自身を除く): 5406112404

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1739417, 3478834, 5218251, 6957668, 8697085, 10436502, 12175919, 15654753, 17394170, 20873004, 24351838, 26091255, 31309506, 34788340, 36527757, 48703676, 52182510, 60879595, 62619012, 73055514, 78273765, 104365020, 109583271, 121759190, 146111028, 156547530, 182638785, 219166542, 243518380, 313095060, 365277570, 438333084, 547916355, 730555140, 1095832710, 2191665420]

約数ペア:

[(1, 2191665420), (2, 1095832710), (3, 730555140), (4, 547916355), (5, 438333084), (6, 365277570), (7, 313095060), (9, 243518380), (10, 219166542), (12, 182638785), (14, 156547530), (15, 146111028), (18, 121759190), (20, 109583271), (21, 104365020), (28, 78273765), (30, 73055514), (35, 62619012), (36, 60879595), (42, 52182510), (45, 48703676), (60, 36527757), (63, 34788340), (70, 31309506), (84, 26091255), (90, 24351838), (105, 20873004), (126, 17394170), (140, 15654753), (180, 12175919), (210, 10436502), (252, 8697085), (315, 6957668), (420, 5218251), (630, 3478834), (1260, 1739417)]