149479280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{30631}}^1$

素因数の和:30705

約数の個数: 40

約数和(自身を含む): 353248224

約数和(自身を除く): 203768944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 30631, 61262, 122524, 153155, 245048, 306310, 490096, 612620, 1225240, 1868491, 2450480, 3736982, 7473964, 9342455, 14947928, 18684910, 29895856, 37369820, 74739640, 149479280]

約数ペア:

[(1, 149479280), (2, 74739640), (4, 37369820), (5, 29895856), (8, 18684910), (10, 14947928), (16, 9342455), (20, 7473964), (40, 3736982), (61, 2450480), (80, 1868491), (122, 1225240), (244, 612620), (305, 490096), (488, 306310), (610, 245048), (976, 153155), (1220, 122524), (2440, 61262), (4880, 30631)]