2920400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{149}}^1$

素因数の和:181

約数の個数: 90

約数和(自身を含む): 8216550

約数和(自身を除く): 5296150

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 149, 175, 196, 200, 245, 280, 298, 350, 392, 400, 490, 560, 596, 700, 745, 784, 980, 1043, 1192, 1225, 1400, 1490, 1960, 2086, 2384, 2450, 2800, 2980, 3725, 3920, 4172, 4900, 5215, 5960, 7301, 7450, 8344, 9800, 10430, 11920, 14602, 14900, 16688, 19600, 20860, 26075, 29204, 29800, 36505, 41720, 52150, 58408, 59600, 73010, 83440, 104300, 116816, 146020, 182525, 208600, 292040, 365050, 417200, 584080, 730100, 1460200, 2920400]

約数ペア:

[(1, 2920400), (2, 1460200), (4, 730100), (5, 584080), (7, 417200), (8, 365050), (10, 292040), (14, 208600), (16, 182525), (20, 146020), (25, 116816), (28, 104300), (35, 83440), (40, 73010), (49, 59600), (50, 58408), (56, 52150), (70, 41720), (80, 36505), (98, 29800), (100, 29204), (112, 26075), (140, 20860), (149, 19600), (175, 16688), (196, 14900), (200, 14602), (245, 11920), (280, 10430), (298, 9800), (350, 8344), (392, 7450), (400, 7301), (490, 5960), (560, 5215), (596, 4900), (700, 4172), (745, 3920), (784, 3725), (980, 2980), (1043, 2800), (1192, 2450), (1225, 2384), (1400, 2086), (1490, 1960)]