142539920

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{29209}}^1$

素因数の和:29283

約数の個数: 40

約数和(自身を含む): 336849720

約数和(自身を除く): 194309800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 29209, 58418, 116836, 146045, 233672, 292090, 467344, 584180, 1168360, 1781749, 2336720, 3563498, 7126996, 8908745, 14253992, 17817490, 28507984, 35634980, 71269960, 142539920]

約数ペア:

[(1, 142539920), (2, 71269960), (4, 35634980), (5, 28507984), (8, 17817490), (10, 14253992), (16, 8908745), (20, 7126996), (40, 3563498), (61, 2336720), (80, 1781749), (122, 1168360), (244, 584180), (305, 467344), (488, 292090), (610, 233672), (976, 146045), (1220, 116836), (2440, 58418), (4880, 29209)]