7966420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{739}}^1$

素因数の和:773

約数の個数: 72

約数和(自身を含む): 21258720

約数和(自身を除く): 13292300

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, 490, 539, 739, 770, 980, 1078, 1478, 1540, 2156, 2695, 2956, 3695, 5173, 5390, 7390, 8129, 10346, 10780, 14780, 16258, 20692, 25865, 32516, 36211, 40645, 51730, 56903, 72422, 81290, 103460, 113806, 144844, 162580, 181055, 227612, 284515, 362110, 398321, 569030, 724220, 796642, 1138060, 1593284, 1991605, 3983210, 7966420]

約数ペア:

[(1, 7966420), (2, 3983210), (4, 1991605), (5, 1593284), (7, 1138060), (10, 796642), (11, 724220), (14, 569030), (20, 398321), (22, 362110), (28, 284515), (35, 227612), (44, 181055), (49, 162580), (55, 144844), (70, 113806), (77, 103460), (98, 81290), (110, 72422), (140, 56903), (154, 51730), (196, 40645), (220, 36211), (245, 32516), (308, 25865), (385, 20692), (490, 16258), (539, 14780), (739, 10780), (770, 10346), (980, 8129), (1078, 7390), (1478, 5390), (1540, 5173), (2156, 3695), (2695, 2956)]