18890100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:310

約数の個数: 108

約数和(自身を含む): 60030880

約数和(自身を除く): 41140780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 139, 150, 151, 180, 225, 278, 300, 302, 417, 450, 453, 556, 604, 695, 755, 834, 900, 906, 1251, 1359, 1390, 1510, 1668, 1812, 2085, 2265, 2502, 2718, 2780, 3020, 3475, 3775, 4170, 4530, 5004, 5436, 6255, 6795, 6950, 7550, 8340, 9060, 10425, 11325, 12510, 13590, 13900, 15100, 20850, 20989, 22650, 25020, 27180, 31275, 33975, 41700, 41978, 45300, 62550, 62967, 67950, 83956, 104945, 125100, 125934, 135900, 188901, 209890, 251868, 314835, 377802, 419780, 524725, 629670, 755604, 944505, 1049450, 1259340, 1574175, 1889010, 2098900, 3148350, 3778020, 4722525, 6296700, 9445050, 18890100]

約数ペア:

[(1, 18890100), (2, 9445050), (3, 6296700), (4, 4722525), (5, 3778020), (6, 3148350), (9, 2098900), (10, 1889010), (12, 1574175), (15, 1259340), (18, 1049450), (20, 944505), (25, 755604), (30, 629670), (36, 524725), (45, 419780), (50, 377802), (60, 314835), (75, 251868), (90, 209890), (100, 188901), (139, 135900), (150, 125934), (151, 125100), (180, 104945), (225, 83956), (278, 67950), (300, 62967), (302, 62550), (417, 45300), (450, 41978), (453, 41700), (556, 33975), (604, 31275), (695, 27180), (755, 25020), (834, 22650), (900, 20989), (906, 20850), (1251, 15100), (1359, 13900), (1390, 13590), (1510, 12510), (1668, 11325), (1812, 10425), (2085, 9060), (2265, 8340), (2502, 7550), (2718, 6950), (2780, 6795), (3020, 6255), (3475, 5436), (3775, 5004), (4170, 4530)]