201920100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{18191}}^1$

素因数の和:18245

約数の個数: 72

約数和(自身を含む): 600044928

約数和(自身を除く): 398124828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 37, 50, 60, 74, 75, 100, 111, 148, 150, 185, 222, 300, 370, 444, 555, 740, 925, 1110, 1850, 2220, 2775, 3700, 5550, 11100, 18191, 36382, 54573, 72764, 90955, 109146, 181910, 218292, 272865, 363820, 454775, 545730, 673067, 909550, 1091460, 1346134, 1364325, 1819100, 2019201, 2692268, 2728650, 3365335, 4038402, 5457300, 6730670, 8076804, 10096005, 13461340, 16826675, 20192010, 33653350, 40384020, 50480025, 67306700, 100960050, 201920100]

約数ペア:

[(1, 201920100), (2, 100960050), (3, 67306700), (4, 50480025), (5, 40384020), (6, 33653350), (10, 20192010), (12, 16826675), (15, 13461340), (20, 10096005), (25, 8076804), (30, 6730670), (37, 5457300), (50, 4038402), (60, 3365335), (74, 2728650), (75, 2692268), (100, 2019201), (111, 1819100), (148, 1364325), (150, 1346134), (185, 1091460), (222, 909550), (300, 673067), (370, 545730), (444, 454775), (555, 363820), (740, 272865), (925, 218292), (1110, 181910), (1850, 109146), (2220, 90955), (2775, 72764), (3700, 54573), (5550, 36382), (11100, 18191)]