207979740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{13921}}^1$

素因数の和:14019

約数の個数: 72

約数和(自身を含む): 638518608

約数和(自身を除く): 430538868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 7470, 13921, 14940, 27842, 41763, 55684, 69605, 83526, 125289, 139210, 167052, 208815, 250578, 278420, 417630, 501156, 626445, 835260, 1155443, 1252890, 2310886, 2505780, 3466329, 4621772, 5777215, 6932658, 10398987, 11554430, 13865316, 17331645, 20797974, 23108860, 34663290, 41595948, 51994935, 69326580, 103989870, 207979740]

約数ペア:

[(1, 207979740), (2, 103989870), (3, 69326580), (4, 51994935), (5, 41595948), (6, 34663290), (9, 23108860), (10, 20797974), (12, 17331645), (15, 13865316), (18, 11554430), (20, 10398987), (30, 6932658), (36, 5777215), (45, 4621772), (60, 3466329), (83, 2505780), (90, 2310886), (166, 1252890), (180, 1155443), (249, 835260), (332, 626445), (415, 501156), (498, 417630), (747, 278420), (830, 250578), (996, 208815), (1245, 167052), (1494, 139210), (1660, 125289), (2490, 83526), (2988, 69605), (3735, 55684), (4980, 41763), (7470, 27842), (13921, 14940)]