136820740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{937}}^1$

素因数の和:1109

約数の個数: 72

約数和(自身を含む): 336835800

約数和(自身を除く): 200015060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 245, 298, 490, 596, 745, 937, 980, 1043, 1490, 1874, 2086, 2980, 3748, 4172, 4685, 5215, 6559, 7301, 9370, 10430, 13118, 14602, 18740, 20860, 26236, 29204, 32795, 36505, 45913, 65590, 73010, 91826, 131180, 139613, 146020, 183652, 229565, 279226, 459130, 558452, 698065, 918260, 977291, 1396130, 1954582, 2792260, 3909164, 4886455, 6841037, 9772910, 13682074, 19545820, 27364148, 34205185, 68410370, 136820740]

約数ペア:

[(1, 136820740), (2, 68410370), (4, 34205185), (5, 27364148), (7, 19545820), (10, 13682074), (14, 9772910), (20, 6841037), (28, 4886455), (35, 3909164), (49, 2792260), (70, 1954582), (98, 1396130), (140, 977291), (149, 918260), (196, 698065), (245, 558452), (298, 459130), (490, 279226), (596, 229565), (745, 183652), (937, 146020), (980, 139613), (1043, 131180), (1490, 91826), (1874, 73010), (2086, 65590), (2980, 45913), (3748, 36505), (4172, 32795), (4685, 29204), (5215, 26236), (6559, 20860), (7301, 18740), (9370, 14602), (10430, 13118)]