2440208

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:399

約数の個数: 40

約数和(自身を含む): 5208000

約数和(自身を除く): 2767792

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 349, 368, 437, 698, 874, 1396, 1748, 2792, 3496, 5584, 6631, 6992, 8027, 13262, 16054, 26524, 32108, 53048, 64216, 106096, 128432, 152513, 305026, 610052, 1220104, 2440208]

約数ペア:

[(1, 2440208), (2, 1220104), (4, 610052), (8, 305026), (16, 152513), (19, 128432), (23, 106096), (38, 64216), (46, 53048), (76, 32108), (92, 26524), (152, 16054), (184, 13262), (304, 8027), (349, 6992), (368, 6631), (437, 5584), (698, 3496), (874, 2792), (1396, 1748)]