189731920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1669}}^1$

素因数の和:1725

約数の個数: 120

約数和(自身を含む): 531160200

約数和(自身を除く): 341428280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 196, 203, 232, 245, 280, 290, 392, 406, 464, 490, 560, 580, 784, 812, 980, 1015, 1160, 1421, 1624, 1669, 1960, 2030, 2320, 2842, 3248, 3338, 3920, 4060, 5684, 6676, 7105, 8120, 8345, 11368, 11683, 13352, 14210, 16240, 16690, 22736, 23366, 26704, 28420, 33380, 46732, 48401, 56840, 58415, 66760, 81781, 93464, 96802, 113680, 116830, 133520, 163562, 186928, 193604, 233660, 242005, 327124, 338807, 387208, 408905, 467320, 484010, 654248, 677614, 774416, 817810, 934640, 968020, 1308496, 1355228, 1635620, 1694035, 1936040, 2371649, 2710456, 3271240, 3388070, 3872080, 4743298, 5420912, 6542480, 6776140, 9486596, 11858245, 13552280, 18973192, 23716490, 27104560, 37946384, 47432980, 94865960, 189731920]

約数ペア:

[(1, 189731920), (2, 94865960), (4, 47432980), (5, 37946384), (7, 27104560), (8, 23716490), (10, 18973192), (14, 13552280), (16, 11858245), (20, 9486596), (28, 6776140), (29, 6542480), (35, 5420912), (40, 4743298), (49, 3872080), (56, 3388070), (58, 3271240), (70, 2710456), (80, 2371649), (98, 1936040), (112, 1694035), (116, 1635620), (140, 1355228), (145, 1308496), (196, 968020), (203, 934640), (232, 817810), (245, 774416), (280, 677614), (290, 654248), (392, 484010), (406, 467320), (464, 408905), (490, 387208), (560, 338807), (580, 327124), (784, 242005), (812, 233660), (980, 193604), (1015, 186928), (1160, 163562), (1421, 133520), (1624, 116830), (1669, 113680), (1960, 96802), (2030, 93464), (2320, 81781), (2842, 66760), (3248, 58415), (3338, 56840), (3920, 48401), (4060, 46732), (5684, 33380), (6676, 28420), (7105, 26704), (8120, 23366), (8345, 22736), (11368, 16690), (11683, 16240), (13352, 14210)]