19995300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1709}}^1$

素因数の和:1742

約数の個数: 108

約数和(自身を含む): 67534740

約数和(自身を除く): 47539440

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 130, 150, 156, 180, 195, 225, 234, 260, 300, 325, 390, 450, 468, 585, 650, 780, 900, 975, 1170, 1300, 1709, 1950, 2340, 2925, 3418, 3900, 5127, 5850, 6836, 8545, 10254, 11700, 15381, 17090, 20508, 22217, 25635, 30762, 34180, 42725, 44434, 51270, 61524, 66651, 76905, 85450, 88868, 102540, 111085, 128175, 133302, 153810, 170900, 199953, 222170, 256350, 266604, 307620, 333255, 384525, 399906, 444340, 512700, 555425, 666510, 769050, 799812, 999765, 1110850, 1333020, 1538100, 1666275, 1999530, 2221700, 3332550, 3999060, 4998825, 6665100, 9997650, 19995300]

約数ペア:

[(1, 19995300), (2, 9997650), (3, 6665100), (4, 4998825), (5, 3999060), (6, 3332550), (9, 2221700), (10, 1999530), (12, 1666275), (13, 1538100), (15, 1333020), (18, 1110850), (20, 999765), (25, 799812), (26, 769050), (30, 666510), (36, 555425), (39, 512700), (45, 444340), (50, 399906), (52, 384525), (60, 333255), (65, 307620), (75, 266604), (78, 256350), (90, 222170), (100, 199953), (117, 170900), (130, 153810), (150, 133302), (156, 128175), (180, 111085), (195, 102540), (225, 88868), (234, 85450), (260, 76905), (300, 66651), (325, 61524), (390, 51270), (450, 44434), (468, 42725), (585, 34180), (650, 30762), (780, 25635), (900, 22217), (975, 20508), (1170, 17090), (1300, 15381), (1709, 11700), (1950, 10254), (2340, 8545), (2925, 6836), (3418, 5850), (3900, 5127)]