2009145220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:601

約数の個数: 96

約数和(自身を含む): 4500873216

約数和(自身を除く): 2491727996

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 227, 230, 271, 284, 355, 454, 460, 542, 710, 908, 1084, 1135, 1355, 1420, 1633, 2270, 2710, 3266, 4540, 5221, 5420, 6233, 6532, 8165, 10442, 12466, 16117, 16330, 19241, 20884, 24932, 26105, 31165, 32234, 32660, 38482, 52210, 61517, 62330, 64468, 76964, 80585, 96205, 104420, 123034, 124660, 161170, 192410, 246068, 307585, 322340, 370691, 384820, 442543, 615170, 741382, 885086, 1230340, 1414891, 1482764, 1770172, 1853455, 2212715, 2829782, 3706910, 4367707, 4425430, 5659564, 7074455, 7413820, 8735414, 8850860, 14148910, 17470828, 21838535, 28297820, 43677070, 87354140, 100457261, 200914522, 401829044, 502286305, 1004572610, 2009145220]

約数ペア:

[(1, 2009145220), (2, 1004572610), (4, 502286305), (5, 401829044), (10, 200914522), (20, 100457261), (23, 87354140), (46, 43677070), (71, 28297820), (92, 21838535), (115, 17470828), (142, 14148910), (227, 8850860), (230, 8735414), (271, 7413820), (284, 7074455), (355, 5659564), (454, 4425430), (460, 4367707), (542, 3706910), (710, 2829782), (908, 2212715), (1084, 1853455), (1135, 1770172), (1355, 1482764), (1420, 1414891), (1633, 1230340), (2270, 885086), (2710, 741382), (3266, 615170), (4540, 442543), (5221, 384820), (5420, 370691), (6233, 322340), (6532, 307585), (8165, 246068), (10442, 192410), (12466, 161170), (16117, 124660), (16330, 123034), (19241, 104420), (20884, 96205), (24932, 80585), (26105, 76964), (31165, 64468), (32234, 62330), (32660, 61517), (38482, 52210)]