197960680

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{9839}}^1$

素因数の和:10353

約数の個数: 32

約数和(自身を含む): 446342400

約数和(自身を除く): 248381720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5030, 9839, 10060, 19678, 20120, 39356, 49195, 78712, 98390, 196780, 393560, 4949017, 9898034, 19796068, 24745085, 39592136, 49490170, 98980340, 197960680]

約数ペア:

[(1, 197960680), (2, 98980340), (4, 49490170), (5, 39592136), (8, 24745085), (10, 19796068), (20, 9898034), (40, 4949017), (503, 393560), (1006, 196780), (2012, 98390), (2515, 78712), (4024, 49195), (5030, 39356), (9839, 20120), (10060, 19678)]