2100030520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{241939}}^1$

素因数の和:241988

約数の個数: 64

約数和(自身を含む): 5574297600

約数和(自身を除く): 3474267080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 241939, 483878, 967756, 1209695, 1693573, 1935512, 2419390, 3387146, 4838780, 6774292, 7500109, 8467865, 9677560, 13548584, 15000218, 16935730, 30000436, 33871460, 37500545, 52500763, 60000872, 67742920, 75001090, 105001526, 150002180, 210003052, 262503815, 300004360, 420006104, 525007630, 1050015260, 2100030520]

約数ペア:

[(1, 2100030520), (2, 1050015260), (4, 525007630), (5, 420006104), (7, 300004360), (8, 262503815), (10, 210003052), (14, 150002180), (20, 105001526), (28, 75001090), (31, 67742920), (35, 60000872), (40, 52500763), (56, 37500545), (62, 33871460), (70, 30000436), (124, 16935730), (140, 15000218), (155, 13548584), (217, 9677560), (248, 8467865), (280, 7500109), (310, 6774292), (434, 4838780), (620, 3387146), (868, 2419390), (1085, 1935512), (1240, 1693573), (1736, 1209695), (2170, 967756), (4340, 483878), (8680, 241939)]