447265980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{354973}}^1$

素因数の和:354995

約数の個数: 72

約数和(自身を含む): 1550526432

約数和(自身を除く): 1103260452

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, 354973, 709946, 1064919, 1419892, 1774865, 2129838, 2484811, 3194757, 3549730, 4259676, 4969622, 5324595, 6389514, 7099460, 7454433, 9939244, 10649190, 12424055, 12779028, 14908866, 15973785, 21298380, 22363299, 24848110, 29817732, 31947570, 37272165, 44726598, 49696220, 63895140, 74544330, 89453196, 111816495, 149088660, 223632990, 447265980]

約数ペア:

[(1, 447265980), (2, 223632990), (3, 149088660), (4, 111816495), (5, 89453196), (6, 74544330), (7, 63895140), (9, 49696220), (10, 44726598), (12, 37272165), (14, 31947570), (15, 29817732), (18, 24848110), (20, 22363299), (21, 21298380), (28, 15973785), (30, 14908866), (35, 12779028), (36, 12424055), (42, 10649190), (45, 9939244), (60, 7454433), (63, 7099460), (70, 6389514), (84, 5324595), (90, 4969622), (105, 4259676), (126, 3549730), (140, 3194757), (180, 2484811), (210, 2129838), (252, 1774865), (315, 1419892), (420, 1064919), (630, 709946), (1260, 354973)]