207977140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:497

約数の個数: 96

約数和(自身を含む): 520095744

約数和(自身を除く): 312118604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 173, 217, 277, 310, 346, 434, 554, 620, 692, 865, 868, 1085, 1108, 1211, 1385, 1730, 1939, 2170, 2422, 2770, 3460, 3878, 4340, 4844, 5363, 5540, 6055, 7756, 8587, 9695, 10726, 12110, 17174, 19390, 21452, 24220, 26815, 34348, 37541, 38780, 42935, 47921, 53630, 60109, 75082, 85870, 95842, 107260, 120218, 150164, 171740, 187705, 191684, 239605, 240436, 300545, 335447, 375410, 479210, 601090, 670894, 750820, 958420, 1202180, 1341788, 1485551, 1677235, 2971102, 3354470, 5942204, 6708940, 7427755, 10398857, 14855510, 20797714, 29711020, 41595428, 51994285, 103988570, 207977140]

約数ペア:

[(1, 207977140), (2, 103988570), (4, 51994285), (5, 41595428), (7, 29711020), (10, 20797714), (14, 14855510), (20, 10398857), (28, 7427755), (31, 6708940), (35, 5942204), (62, 3354470), (70, 2971102), (124, 1677235), (140, 1485551), (155, 1341788), (173, 1202180), (217, 958420), (277, 750820), (310, 670894), (346, 601090), (434, 479210), (554, 375410), (620, 335447), (692, 300545), (865, 240436), (868, 239605), (1085, 191684), (1108, 187705), (1211, 171740), (1385, 150164), (1730, 120218), (1939, 107260), (2170, 95842), (2422, 85870), (2770, 75082), (3460, 60109), (3878, 53630), (4340, 47921), (4844, 42935), (5363, 38780), (5540, 37541), (6055, 34348), (7756, 26815), (8587, 24220), (9695, 21452), (10726, 19390), (12110, 17174)]