4193420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1$

素因数の和:423

約数の個数: 72

約数和(自身を含む): 11203920

約数和(自身を除く): 7010500

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 389, 490, 539, 770, 778, 980, 1078, 1540, 1556, 1945, 2156, 2695, 2723, 3890, 4279, 5390, 5446, 7780, 8558, 10780, 10892, 13615, 17116, 19061, 21395, 27230, 29953, 38122, 42790, 54460, 59906, 76244, 85580, 95305, 119812, 149765, 190610, 209671, 299530, 381220, 419342, 599060, 838684, 1048355, 2096710, 4193420]

約数ペア:

[(1, 4193420), (2, 2096710), (4, 1048355), (5, 838684), (7, 599060), (10, 419342), (11, 381220), (14, 299530), (20, 209671), (22, 190610), (28, 149765), (35, 119812), (44, 95305), (49, 85580), (55, 76244), (70, 59906), (77, 54460), (98, 42790), (110, 38122), (140, 29953), (154, 27230), (196, 21395), (220, 19061), (245, 17116), (308, 13615), (385, 10892), (389, 10780), (490, 8558), (539, 7780), (770, 5446), (778, 5390), (980, 4279), (1078, 3890), (1540, 2723), (1556, 2695), (1945, 2156)]