123020900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{719}}^1$

素因数の和:821

約数の個数: 72

約数和(自身を含む): 281232000

約数和(自身を除く): 158211100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 59, 100, 116, 118, 145, 236, 290, 295, 580, 590, 719, 725, 1180, 1438, 1450, 1475, 1711, 2876, 2900, 2950, 3422, 3595, 5900, 6844, 7190, 8555, 14380, 17110, 17975, 20851, 34220, 35950, 41702, 42421, 42775, 71900, 83404, 84842, 85550, 104255, 169684, 171100, 208510, 212105, 417020, 424210, 521275, 848420, 1042550, 1060525, 1230209, 2085100, 2121050, 2460418, 4242100, 4920836, 6151045, 12302090, 24604180, 30755225, 61510450, 123020900]

約数ペア:

[(1, 123020900), (2, 61510450), (4, 30755225), (5, 24604180), (10, 12302090), (20, 6151045), (25, 4920836), (29, 4242100), (50, 2460418), (58, 2121050), (59, 2085100), (100, 1230209), (116, 1060525), (118, 1042550), (145, 848420), (236, 521275), (290, 424210), (295, 417020), (580, 212105), (590, 208510), (719, 171100), (725, 169684), (1180, 104255), (1438, 85550), (1450, 84842), (1475, 83404), (1711, 71900), (2876, 42775), (2900, 42421), (2950, 41702), (3422, 35950), (3595, 34220), (5900, 20851), (6844, 17975), (7190, 17110), (8555, 14380)]