209312840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{27983}}^1$

素因数の和:28022

約数の個数: 64

約数和(自身を含む): 544008960

約数和(自身を除く): 334696120

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 27983, 55966, 111932, 139915, 223864, 279830, 307813, 475711, 559660, 615626, 951422, 1119320, 1231252, 1539065, 1902844, 2378555, 2462504, 3078130, 3805688, 4757110, 5232821, 6156260, 9514220, 10465642, 12312520, 19028440, 20931284, 26164105, 41862568, 52328210, 104656420, 209312840]

約数ペア:

[(1, 209312840), (2, 104656420), (4, 52328210), (5, 41862568), (8, 26164105), (10, 20931284), (11, 19028440), (17, 12312520), (20, 10465642), (22, 9514220), (34, 6156260), (40, 5232821), (44, 4757110), (55, 3805688), (68, 3078130), (85, 2462504), (88, 2378555), (110, 1902844), (136, 1539065), (170, 1231252), (187, 1119320), (220, 951422), (340, 615626), (374, 559660), (440, 475711), (680, 307813), (748, 279830), (935, 223864), (1496, 139915), (1870, 111932), (3740, 55966), (7480, 27983)]