620913000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{139}}^1\times {\mathrm{1489}}^1$

素因数の和:1652

約数の個数: 128

約数和(自身を含む): 1952496000

約数和(自身を除く): 1331583000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 139, 150, 200, 250, 278, 300, 375, 417, 500, 556, 600, 695, 750, 834, 1000, 1112, 1390, 1489, 1500, 1668, 2085, 2780, 2978, 3000, 3336, 3475, 4170, 4467, 5560, 5956, 6950, 7445, 8340, 8934, 10425, 11912, 13900, 14890, 16680, 17375, 17868, 20850, 22335, 27800, 29780, 34750, 35736, 37225, 41700, 44670, 52125, 59560, 69500, 74450, 83400, 89340, 104250, 111675, 139000, 148900, 178680, 186125, 206971, 208500, 223350, 297800, 372250, 413942, 417000, 446700, 558375, 620913, 744500, 827884, 893400, 1034855, 1116750, 1241826, 1489000, 1655768, 2069710, 2233500, 2483652, 3104565, 4139420, 4467000, 4967304, 5174275, 6209130, 8278840, 10348550, 12418260, 15522825, 20697100, 24836520, 25871375, 31045650, 41394200, 51742750, 62091300, 77614125, 103485500, 124182600, 155228250, 206971000, 310456500, 620913000]

約数ペア:

[(1, 620913000), (2, 310456500), (3, 206971000), (4, 155228250), (5, 124182600), (6, 103485500), (8, 77614125), (10, 62091300), (12, 51742750), (15, 41394200), (20, 31045650), (24, 25871375), (25, 24836520), (30, 20697100), (40, 15522825), (50, 12418260), (60, 10348550), (75, 8278840), (100, 6209130), (120, 5174275), (125, 4967304), (139, 4467000), (150, 4139420), (200, 3104565), (250, 2483652), (278, 2233500), (300, 2069710), (375, 1655768), (417, 1489000), (500, 1241826), (556, 1116750), (600, 1034855), (695, 893400), (750, 827884), (834, 744500), (1000, 620913), (1112, 558375), (1390, 446700), (1489, 417000), (1500, 413942), (1668, 372250), (2085, 297800), (2780, 223350), (2978, 208500), (3000, 206971), (3336, 186125), (3475, 178680), (4170, 148900), (4467, 139000), (5560, 111675), (5956, 104250), (6950, 89340), (7445, 83400), (8340, 74450), (8934, 69500), (10425, 59560), (11912, 52125), (13900, 44670), (14890, 41700), (16680, 37225), (17375, 35736), (17868, 34750), (20850, 29780), (22335, 27800)]