669126220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{32077}}^1$

素因数の和:32242

約数の個数: 48

約数和(自身を含む): 1616731200

約数和(自身を除く): 947604980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 10430, 20860, 32077, 64154, 128308, 160385, 224539, 320770, 449078, 641540, 898156, 1122695, 2245390, 4490780, 4779473, 9558946, 19117892, 23897365, 33456311, 47794730, 66912622, 95589460, 133825244, 167281555, 334563110, 669126220]

約数ペア:

[(1, 669126220), (2, 334563110), (4, 167281555), (5, 133825244), (7, 95589460), (10, 66912622), (14, 47794730), (20, 33456311), (28, 23897365), (35, 19117892), (70, 9558946), (140, 4779473), (149, 4490780), (298, 2245390), (596, 1122695), (745, 898156), (1043, 641540), (1490, 449078), (2086, 320770), (2980, 224539), (4172, 160385), (5215, 128308), (10430, 64154), (20860, 32077)]