73440220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{547}}^1$

素因数の和:707

約数の個数: 72

約数和(自身を含む): 181043856

約数和(自身を除く): 107603636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 137, 140, 196, 245, 274, 490, 547, 548, 685, 959, 980, 1094, 1370, 1918, 2188, 2735, 2740, 3829, 3836, 4795, 5470, 6713, 7658, 9590, 10940, 13426, 15316, 19145, 19180, 26803, 26852, 33565, 38290, 53606, 67130, 74939, 76580, 107212, 134015, 134260, 149878, 268030, 299756, 374695, 524573, 536060, 749390, 1049146, 1498780, 2098292, 2622865, 3672011, 5245730, 7344022, 10491460, 14688044, 18360055, 36720110, 73440220]

約数ペア:

[(1, 73440220), (2, 36720110), (4, 18360055), (5, 14688044), (7, 10491460), (10, 7344022), (14, 5245730), (20, 3672011), (28, 2622865), (35, 2098292), (49, 1498780), (70, 1049146), (98, 749390), (137, 536060), (140, 524573), (196, 374695), (245, 299756), (274, 268030), (490, 149878), (547, 134260), (548, 134015), (685, 107212), (959, 76580), (980, 74939), (1094, 67130), (1370, 53606), (1918, 38290), (2188, 33565), (2735, 26852), (2740, 26803), (3829, 19180), (3836, 19145), (4795, 15316), (5470, 13426), (6713, 10940), (7658, 9590)]