19879800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1949}}^1$

素因数の和:1985

約数の個数: 96

約数和(自身を含む): 65286000

約数和(自身を除く): 45406200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 25, 30, 34, 40, 50, 51, 60, 68, 75, 85, 100, 102, 120, 136, 150, 170, 200, 204, 255, 300, 340, 408, 425, 510, 600, 680, 850, 1020, 1275, 1700, 1949, 2040, 2550, 3400, 3898, 5100, 5847, 7796, 9745, 10200, 11694, 15592, 19490, 23388, 29235, 33133, 38980, 46776, 48725, 58470, 66266, 77960, 97450, 99399, 116940, 132532, 146175, 165665, 194900, 198798, 233880, 265064, 292350, 331330, 389800, 397596, 496995, 584700, 662660, 795192, 828325, 993990, 1169400, 1325320, 1656650, 1987980, 2484975, 3313300, 3975960, 4969950, 6626600, 9939900, 19879800]

約数ペア:

[(1, 19879800), (2, 9939900), (3, 6626600), (4, 4969950), (5, 3975960), (6, 3313300), (8, 2484975), (10, 1987980), (12, 1656650), (15, 1325320), (17, 1169400), (20, 993990), (24, 828325), (25, 795192), (30, 662660), (34, 584700), (40, 496995), (50, 397596), (51, 389800), (60, 331330), (68, 292350), (75, 265064), (85, 233880), (100, 198798), (102, 194900), (120, 165665), (136, 146175), (150, 132532), (170, 116940), (200, 99399), (204, 97450), (255, 77960), (300, 66266), (340, 58470), (408, 48725), (425, 46776), (510, 38980), (600, 33133), (680, 29235), (850, 23388), (1020, 19490), (1275, 15592), (1700, 11694), (1949, 10200), (2040, 9745), (2550, 7796), (3400, 5847), (3898, 5100)]