215357100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{102551}}^1$

素因数の和:102575

約数の個数: 72

約数和(自身を含む): 712121088

約数和(自身を除く): 496763988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 102551, 205102, 307653, 410204, 512755, 615306, 717857, 1025510, 1230612, 1435714, 1538265, 2051020, 2153571, 2563775, 2871428, 3076530, 3589285, 4307142, 5127550, 6153060, 7178570, 7691325, 8614284, 10255100, 10767855, 14357140, 15382650, 17946425, 21535710, 30765300, 35892850, 43071420, 53839275, 71785700, 107678550, 215357100]

約数ペア:

[(1, 215357100), (2, 107678550), (3, 71785700), (4, 53839275), (5, 43071420), (6, 35892850), (7, 30765300), (10, 21535710), (12, 17946425), (14, 15382650), (15, 14357140), (20, 10767855), (21, 10255100), (25, 8614284), (28, 7691325), (30, 7178570), (35, 6153060), (42, 5127550), (50, 4307142), (60, 3589285), (70, 3076530), (75, 2871428), (84, 2563775), (100, 2153571), (105, 2051020), (140, 1538265), (150, 1435714), (175, 1230612), (210, 1025510), (300, 717857), (350, 615306), (420, 512755), (525, 410204), (700, 307653), (1050, 205102), (2100, 102551)]