30148340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 65729664

約数和(自身を除く): 35581324

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 131, 148, 185, 262, 311, 370, 524, 622, 655, 740, 1244, 1310, 1555, 2620, 3110, 4847, 6220, 9694, 11507, 19388, 23014, 24235, 40741, 46028, 48470, 57535, 81482, 96940, 115070, 162964, 203705, 230140, 407410, 814820, 1507417, 3014834, 6029668, 7537085, 15074170, 30148340]

約数ペア:

[(1, 30148340), (2, 15074170), (4, 7537085), (5, 6029668), (10, 3014834), (20, 1507417), (37, 814820), (74, 407410), (131, 230140), (148, 203705), (185, 162964), (262, 115070), (311, 96940), (370, 81482), (524, 57535), (622, 48470), (655, 46028), (740, 40741), (1244, 24235), (1310, 23014), (1555, 19388), (2620, 11507), (3110, 9694), (4847, 6220)]