2018918800

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1097}}^1$

素因数の和:1265

約数の個数: 120

約数和(自身を含む): 5014205856

約数和(自身を除く): 2995287056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 107, 172, 200, 214, 215, 344, 400, 428, 430, 535, 688, 856, 860, 1070, 1075, 1097, 1712, 1720, 2140, 2150, 2194, 2675, 3440, 4280, 4300, 4388, 4601, 5350, 5485, 8560, 8600, 8776, 9202, 10700, 10970, 17200, 17552, 18404, 21400, 21940, 23005, 27425, 36808, 42800, 43880, 46010, 47171, 54850, 73616, 87760, 92020, 94342, 109700, 115025, 117379, 184040, 188684, 219400, 230050, 234758, 235855, 368080, 377368, 438800, 460100, 469516, 471710, 586895, 754736, 920200, 939032, 943420, 1173790, 1179275, 1840400, 1878064, 1886840, 2347580, 2358550, 2934475, 3773680, 4695160, 4717100, 5047297, 5868950, 9390320, 9434200, 10094594, 11737900, 18868400, 20189188, 23475800, 25236485, 40378376, 46951600, 50472970, 80756752, 100945940, 126182425, 201891880, 252364850, 403783760, 504729700, 1009459400, 2018918800]

約数ペア:

[(1, 2018918800), (2, 1009459400), (4, 504729700), (5, 403783760), (8, 252364850), (10, 201891880), (16, 126182425), (20, 100945940), (25, 80756752), (40, 50472970), (43, 46951600), (50, 40378376), (80, 25236485), (86, 23475800), (100, 20189188), (107, 18868400), (172, 11737900), (200, 10094594), (214, 9434200), (215, 9390320), (344, 5868950), (400, 5047297), (428, 4717100), (430, 4695160), (535, 3773680), (688, 2934475), (856, 2358550), (860, 2347580), (1070, 1886840), (1075, 1878064), (1097, 1840400), (1712, 1179275), (1720, 1173790), (2140, 943420), (2150, 939032), (2194, 920200), (2675, 754736), (3440, 586895), (4280, 471710), (4300, 469516), (4388, 460100), (4601, 438800), (5350, 377368), (5485, 368080), (8560, 235855), (8600, 234758), (8776, 230050), (9202, 219400), (10700, 188684), (10970, 184040), (17200, 117379), (17552, 115025), (18404, 109700), (21400, 94342), (21940, 92020), (23005, 87760), (27425, 73616), (36808, 54850), (42800, 47171), (43880, 46010)]