745565540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{7691}}^1$

素因数の和:7868

約数の個数: 48

約数和(自身を含む): 1620489024

約数和(自身を除く): 874923484

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 131, 148, 185, 262, 370, 524, 655, 740, 1310, 2620, 4847, 7691, 9694, 15382, 19388, 24235, 30764, 38455, 48470, 76910, 96940, 153820, 284567, 569134, 1007521, 1138268, 1422835, 2015042, 2845670, 4030084, 5037605, 5691340, 10075210, 20150420, 37278277, 74556554, 149113108, 186391385, 372782770, 745565540]

約数ペア:

[(1, 745565540), (2, 372782770), (4, 186391385), (5, 149113108), (10, 74556554), (20, 37278277), (37, 20150420), (74, 10075210), (131, 5691340), (148, 5037605), (185, 4030084), (262, 2845670), (370, 2015042), (524, 1422835), (655, 1138268), (740, 1007521), (1310, 569134), (2620, 284567), (4847, 153820), (7691, 96940), (9694, 76910), (15382, 48470), (19388, 38455), (24235, 30764)]