17957480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 42768000

約数和(自身を除く): 24810520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 131, 149, 184, 230, 262, 298, 460, 524, 596, 655, 745, 920, 1048, 1192, 1310, 1490, 2620, 2980, 3013, 3427, 5240, 5960, 6026, 6854, 12052, 13708, 15065, 17135, 19519, 24104, 27416, 30130, 34270, 39038, 60260, 68540, 78076, 97595, 120520, 137080, 156152, 195190, 390380, 448937, 780760, 897874, 1795748, 2244685, 3591496, 4489370, 8978740, 17957480]

約数ペア:

[(1, 17957480), (2, 8978740), (4, 4489370), (5, 3591496), (8, 2244685), (10, 1795748), (20, 897874), (23, 780760), (40, 448937), (46, 390380), (92, 195190), (115, 156152), (131, 137080), (149, 120520), (184, 97595), (230, 78076), (262, 68540), (298, 60260), (460, 39038), (524, 34270), (596, 30130), (655, 27416), (745, 24104), (920, 19519), (1048, 17135), (1192, 15065), (1310, 13708), (1490, 12052), (2620, 6854), (2980, 6026), (3013, 5960), (3427, 5240)]