2007389660

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{10949}}^1$

素因数の和:11150

約数の個数: 48

約数和(自身を含む): 4304664000

約数和(自身を除く): 2297274340

約数列:

[1, 2, 4, 5, 10, 20, 89, 103, 178, 206, 356, 412, 445, 515, 890, 1030, 1780, 2060, 9167, 10949, 18334, 21898, 36668, 43796, 45835, 54745, 91670, 109490, 183340, 218980, 974461, 1127747, 1948922, 2255494, 3897844, 4510988, 4872305, 5638735, 9744610, 11277470, 19489220, 22554940, 100369483, 200738966, 401477932, 501847415, 1003694830, 2007389660]

約数ペア:

[(1, 2007389660), (2, 1003694830), (4, 501847415), (5, 401477932), (10, 200738966), (20, 100369483), (89, 22554940), (103, 19489220), (178, 11277470), (206, 9744610), (356, 5638735), (412, 4872305), (445, 4510988), (515, 3897844), (890, 2255494), (1030, 1948922), (1780, 1127747), (2060, 974461), (9167, 218980), (10949, 183340), (18334, 109490), (21898, 91670), (36668, 54745), (43796, 45835)]