12451930

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 23101200

約数和(自身を除く): 10649270

約数列:

[1, 2, 5, 10, 61, 122, 137, 149, 274, 298, 305, 610, 685, 745, 1370, 1490, 8357, 9089, 16714, 18178, 20413, 40826, 41785, 45445, 83570, 90890, 102065, 204130, 1245193, 2490386, 6225965, 12451930]

約数ペア:

[(1, 12451930), (2, 6225965), (5, 2490386), (10, 1245193), (61, 204130), (122, 102065), (137, 90890), (149, 83570), (274, 45445), (298, 41785), (305, 40826), (610, 20413), (685, 18178), (745, 16714), (1370, 9089), (1490, 8357)]